"You're a bitter man," said Candide. "That's because I've lived," said Martin. Candide

He that knows not what the world is, knows not where he is himself. He that knows not for what he was made, knows not what he is nor what the world is. Book VIII

For a long time I was timid in the presence in learning, and I fancied that the insufficiency of the answers which I received was not its fault, but was owing to my own gross ignorance, but this thing was not a joke or a pastime with me, but the business of my life, and I was at last forced, willy-nilly, to the conclusion that these questions of mine were the only legitimate questions underlying all knowledge, and that it was not I that was in fault in putting them, but science in pretending to have an answer for them. A Confession

I drink when I have occasion, and sometimes when I have no occasion. Don Quixote