There is a limit where the intellect fails and breaks down, and this limit is where the questions concerning God and freewill and immortality arise.

In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thinks of doing so.

Heaven has given human beings three things to balance the odds of life: hope, sleep, and laughter.

There is nothing higher than reason.

We can never, even by the strictest examination, get completely behind the secret springs of action.

All human knowledge begins with intuitions, proceeds from thence to concepts, and ends with ideas.

Thinking in pictures precedes thinking in words.