The theory that thought is merely a movement in the brain is, in my opinion, nonsense; for if so, that theory itself would be merely a movement, an event among atoms, which may have speed and direction but of which it would be meaningless to use the words 'true' or 'false'.
C. S. LewisThe return from the walk, and the arrival of tea, should be exactly coincident, and not later than a quarter past four.
C. S. LewisUnless I believe in God, I cannot believe in thought: so I can never use thought to disbelieve in God.
C. S. Lewis[M]an has been accustomed, ever since he was a boy, to having a dozen incompatible philosophies dancing about together inside his head. He doesn't think of doctrines as primarily "true" or "false," but as "academic" or "practical," "outworn" or "contemporary," "conventional" or "ruthless." Jargon, not argument, is your best ally in keeping him from the Church. Don't waste time trying to make him think that materialism is true! Make him think it is strong or stark or courageousโthat it is the philosophy of the future. That's the sort of thing he cares about.
C. S. Lewis