HOW CAN I KNOW CHRISTIANITY IS TRUE?
HOW CAN I KNOW CHRISTIANITY IS TRUE?


We can believe in God because of our best evidence from science, morality, and our basic intuitions. We can then show that Christianity is true by proving that Jesus really did rise from the dead, validating his claims to be God.

I. Our best scientific evidence supports belief in God.

Our findings in cosmology, biology, physics, and related disciplines strongly point to the likelihood of a supernatural designer.

THE ORIGIN OF THE UNIVERSE - It makes more sense to believe that God created the universe than to believe that it created itself out of nothing.

THE APPEARANCE OF LIFE - How did life emerge from non-life? Furthermore, why is it possible for life to exist at all? The conditions for life are so narrow that for them to be as finely tuned as they are without an outside agent is statistically impossible.

THE COMPLEXITY OF LIFE/THE ECOSYSTEM - The astonishing abilities and remarkable interdependence of life forms is better explained by a designer than by random chance and survival of the fittest.

Learn more about the scientific evidence for God’s existence in our article: Does Being a Christian Require you to Deny Science?


II. Morality is evidence for God.

Whether it is in the realm of politics, the family, or business, almost everyone operates with the basic understanding that some behaviors are right and others are wrong. People may disagree about defining what is right and what is wrong, but the general belief that there is a universal law that all people are held accountable to is a necessary part of life.

Without a universal moral law, we would be unable to condemn the actions of others, such as stealing and murder. The best we could say is that we would prefer for people to not act that way. We can act in ways we think and hope are good, but we have no authority to appeal to as to why our particular understanding of morality is the right one.

For a law to be universal, it must be true at all times, all places, and for all people, regardless of whether they like it or not. Therefore, an absolute moral law cannot be an invention of any particular human society, but something that is gradually discovered by all societies.

Because we know that this universal moral law exists, where did it come from? A moral law requires both an authority to define the law and an authority with the power to enforce it. The best candidate for the creator and enforcer of a universal law is God. We may be able to do good things without believing in God, but we can’t have a universal law without him.




III. Our basic intuitions and desires point to God

For many people, although the evidence of God’s existence is helpful, they don’t need it. The knowledge that there is some kind of god is as obvious as knowing that the sky is blue. This is what philosophers would describe as a “properly basic belief,” a belief that people can know is true simply through their own experience.

Most people groups throughout history have developed a religious expression. Even today, with all of our scientific and philosophical advancements, this remains true. Many people who are agnostic about the existence of any particular god still prefer to describe themselves as “spiritual.”

CS Lewis famously argued that the desire that so many people naturally feel for another world (by which he meant heaven) is a strong indicator that another world actually exists. After all, the natural “hungers” that humans feel, such as for food or sex, all point to real things, so why not their hunger for heaven? (Read more)

The Bible claims that God has revealed himself to everyone:

“For what can be known about God is plain to them (all people), because God has shown it to them. For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse” (Romans 1:20).

IV. Jesus’ resurrection proves that he is God and that Christianity is true.

The resurrection validates Jesus’ claims to be God (John 14:8-11; John 8:58-59) and that following him is the only way to be right with God (John 14:6).

We have good reasons to believe that the resurrection is a historical event. In our article, “Did Jesus really rise from the dead?”, we discuss four facts that are agreed upon by virtually all scholars regarding the death of Jesus and its immediate aftermath, and then we show how no naturalistic theory has been able to explain these facts.

V. Conclusion

This brief list of reasons is only scratching the surface of why we can be confident that Christianity is true.

More pieces of evidence could be offered, such as the astonishing fulfillment of biblical prophecies. To become convinced of the truthfulness of Christianity, we recommend checking out the books, articles, and videos below.



We can believe in God because of our best evidence from science, morality, and our basic intuitions. We can then show that Christianity is true by proving that Jesus really did rise from the dead, validating his claims to be God.

I. Our best scientific evidence supports belief in God.

Our findings in cosmology, biology, physics, and related disciplines strongly point to the likelihood of a supernatural designer.

THE ORIGIN OF THE UNIVERSE - It makes more sense to believe that God created the universe than to believe that it created itself out of nothing.

THE APPEARANCE OF LIFE - How did life emerge from non-life? Furthermore, why is it possible for life to exist at all? The conditions for life are so narrow that for them to be as finely tuned as they are without an outside agent is statistically impossible.

THE COMPLEXITY OF LIFE/THE ECOSYSTEM - The astonishing abilities and remarkable interdependence of life forms is better explained by a designer than by random chance and survival of the fittest.

Learn more about the scientific evidence for God’s existence in our article: Does Being a Christian Require you to Deny Science?


II. Morality is evidence for God.

Whether it is in the realm of politics, the family, or business, almost everyone operates with the basic understanding that some behaviors are right and others are wrong. People may disagree about defining what is right and what is wrong, but the general belief that there is a universal law that all people are held accountable to is a necessary part of life.

Without a universal moral law, we would be unable to condemn the actions of others, such as stealing and murder. The best we could say is that we would prefer for people to not act that way. We can act in ways we think and hope are good, but we have no authority to appeal to as to why our particular understanding of morality is the right one.

For a law to be universal, it must be true at all times, all places, and for all people, regardless of whether they like it or not. Therefore, an absolute moral law cannot be an invention of any particular human society, but something that is gradually discovered by all societies.

Because we know that this universal moral law exists, where did it come from? A moral law requires both an authority to define the law and an authority with the power to enforce it. The best candidate for the creator and enforcer of a universal law is God. We may be able to do good things without believing in God, but we can’t have a universal law without him.




III. Our basic intuitions and desires point to God

For many people, although the evidence of God’s existence is helpful, they don’t need it. The knowledge that there is some kind of god is as obvious as knowing that the sky is blue. This is what philosophers would describe as a “properly basic belief,” a belief that people can know is true simply through their own experience.

Most people groups throughout history have developed a religious expression. Even today, with all of our scientific and philosophical advancements, this remains true. Many people who are agnostic about the existence of any particular god still prefer to describe themselves as “spiritual.”

CS Lewis famously argued that the desire that so many people naturally feel for another world (by which he meant heaven) is a strong indicator that another world actually exists. After all, the natural “hungers” that humans feel, such as for food or sex, all point to real things, so why not their hunger for heaven? (Read more)

The Bible claims that God has revealed himself to everyone:

“For what can be known about God is plain to them (all people), because God has shown it to them. For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse” (Romans 1:20).

IV. Jesus’ resurrection proves that he is God and that Christianity is true.

The resurrection validates Jesus’ claims to be God (John 14:8-11; John 8:58-59) and that following him is the only way to be right with God (John 14:6).

We have good reasons to believe that the resurrection is a historical event. In our article, “Did Jesus really rise from the dead?”, we discuss four facts that are agreed upon by virtually all scholars regarding the death of Jesus and its immediate aftermath, and then we show how no naturalistic theory has been able to explain these facts.

V. Conclusion

This brief list of reasons is only scratching the surface of why we can be confident that Christianity is true.

More pieces of evidence could be offered, such as the astonishing fulfillment of biblical prophecies. To become convinced of the truthfulness of Christianity, we recommend checking out the books, articles, and videos below.

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Check out these articles and videos to dig deeper into this topic.

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Check out these articles and videos to dig deeper into this topic.