Sure Signs

How to Understand the Degree of Certainty in Key Discoveries

I have devoted my life to researching and presenting scientific evidence for the Christian worldview and for the trustworthiness of the Bible's message. People in my public audiences express great excitement and joy about the new scientific evidence, but many of them are reluctant to use it in their own engagements with skeptical friends and associates. One reason for their hesitation concerns their inability to evaluate how certain they can be of the results I present—especially when it comes to how scientists use numbers. How can you be sure?

It is not that I fail to express the level of certainty in the results I present. Whenever I express a value for a particular result, I...