Man must not check his reason by tradition, but, contrariwise, must check tradition by reason.

Pierre was right when he said that one must believe in the possibility of happiness in order to be happy, and I now believe in it. Let the dead bury the dead, but while I'm alive, I must live and be happy.

A man on a thousand mile walk has to forget his goal and say to himself every morning, 'Today I'm going to cover twenty-five miles and then rest up and sleep.

If once we admit, be it for a single hour or in a single instance, that there can be anything more important than compassion for a fellow human being, then there is no crime against man that we cannot commit with an easy conscience.

I'd rather end up wishing I hadn’t than end up wishing I had.

Darkness had fallen upon everything for him; but just because of this darkness he felt that the one guiding clue in the darkness was his work, and he clutched it and clung to it with all his strength.

If religion is the establishing of a relationship between man and the universe, then morality is the explanation of those activities that automatically result when a person maintains a relationship to the universe.