Why Faith and Reason Can Never Contradict Each Other

The Reasons to Believe #32

Our Reasons to Believe Scripture passage for today is 1 Thessalonians 5:20-22. It reads, "Despise not prophesyings. Prove all things; hold fast that which is good. Abstain from all appearance of evil." 

Our Reasons to Believe quote for today is from John MacArthur. He said, "If the truth offends, then let it offend. People have been living their whole lives in offense to God; let them be offended for a while."

Our Reason to Believe powerpoint today is titled "Why Faith and Reason Can Never Contradict Each Other" from "The Handbook of Christian Apologetics" by Peter Kreeft and Ronald K. Tacelli:

There are two basic questions about the relation between faith and reason:
1. How much of the faith can reason prove?
2. Can faith and reason ever contradict each other?

We've already seen that there are different answers to question 1 -- all, some, none -- and that the best answer seems to be some. Now what of the other question?

Only Falsehood Can Contradict Truth

Aquinas's answer to this question in "Summa Contra Gentiles I", 7 seems to us irrefutably true:

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