Ravi Zacharias was an apologetic, someone who defends Christian theology against someone who objects. Uses logic to explain. Thinks. C.S. Lewis (author of The Chronicles of Narnia) also was influenced by his friend J.R.R. Tolkien (author of The Lord of the Rings) and other sources, came back to Christianity after a bout with atheism. By thinking.
We are whole human beings: mind, body, and soul.
So I will always remind you of these things, even though you know them and are firmly established in the truth you now have. I think it is right to refresh your memory as long as I live in the tent of this body,2 Peter 1:12-13 NIV