Brain

“The man who comes back through the Door in the Wall will never be quite the same as the man who went out. He will be wiser but less sure, happier but less self-satisfied, humbler in acknowledging his ignorance yet better equipped to understand the relationship of words to things, of systematic reasoning to the unfathomable mystery which it tries, forever vainly, to comprehend”
― Aldous Huxley, The Doors of Perception

“A man can no more diminish God's glory by refusing to worship Him than a lunatic can put out the sun by scribbling the word 'darkness' on the walls of his cell.”
― C.S. Lewis, The Problem of Pain

“What you do in this world is a matter of no consequence. The question is what can you make people believe you have done.”
― Arthur Conan Doyle, A Study in Scarlet

“My idea of good company...is the company of clever, well-informed people, who have a great deal of conversation; that is what I call good company.'
'You are mistaken,' said he gently, 'that is not good company, that is the best.”
― Jane Austen, Persuasion