Reason has discovered the struggle for existence and the law that I must throttle all those who hinder the satisfaction of my desires. That is the de… - Leo Tolstoy

But the law of loving others could not be discovered by reason, because it is unreasonable.

Mathematics is the queen of disciplines.... it will drive the nonsense out of your head!

"Why am I going?" he repeated, looking straight into her eyes. "You know that I am going in order to be where you are," said he. "I cannot do otherwise."

"Not a word, not a movement of yours will I ever forget, nor can I..."

[...most men do not try] to recognize the truth, but to persuade themselves that the life they are leading, which is what they like and are used to, is a life perfectly consistent with truth.