Even if theologians and philosophers throughout history didn’t believe that Christianity was the basis of all rational thought, the Bible clearly teaches that God is the beginning of knowledge and that no one can understand the meaning of truth, love or anything else unless it were granted to him or her by God.
Isn’t it good to avoid unnecessary debates and trivial issues? Yes! Absolutely… but politics, religion, and philosophy are not trivial or unnecessary.
Truth is more precious than life itself; to find truth, is to find life.