Experience is a hard teacher because she gives the test first, the lesson afterwards.

Trust has to be earned, and should come only after the passage of time.

No one remarked on any of this or on any of the other remarkable things each sensed but had no habit of language for, though felt often and deeply, privately.

Love and compassion are necessities, not luxuries. Without them humanity cannot survive.

The dogma of woman's complete historical subjection to men must be rated as one of the most fantastic myths ever created by the human mind.

The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.

To me, my business is my life.

he place where optimism most flourishes is the lunatic asylum.

Men must know their limitations.

If you just keep your head down, work, and put it on the bottom line, sooner or later that takes care of everything else.