I personally measure success in terms of the contributions an individual makes to her or his fellow human beings.

— Margaret Mead

If I am not for myself, then who will be for me? And if I am only for myself, then what am I? And if not now, when?

— Rabbi Hillel

Striving for perfection is the greatest stopper there is. It’s your excuse to yourself for not doing anything. Instead, strive for excellence, doing your best.

— Sir Laurence Olivier

What destroys us most effectively is not a malign fate but our own capacity for self-deception and for degrading our own best self.

— George Eliot

Every path to a new understanding begins in confusion.

— Mason Cooley