Kant thought things, not because they were true, but because... - W. Somerset Maugham, Of Human Bondage

"Why did you look at the sunset?'Philip answered with his mouth full:Because I was happy."

"Insensibly he formed the most delightful habit in the world, the habit of reading: he did not know that thus he was providing himself with a refuge from all the distress of life; he did not know either that he was creating for himself an unreal world which would make the real world of every day a source of bitter disappointment."

"He did not care if she was heartless, vicious and vulgar, stupid and grasping, he loved her. He would rather have misery with one than happiness with the other."

"What d'you suppose I care if I'm a gentleman or not? If I were a gentleman I shouldn't waste my time with a vulgar slut like you."

"I now, weak, old, diseased, poor, dying, hold still my soul in my hands, and I regret nothing."