One word characterizes the most strenuous of the efforts for the advancement of science that I have made perservereingly during fifty-five years; that word is failure

The capacity for getting along with our neighbor depends to a large extent on the capacity for getting along with ourselves. The self-respecting individual will try to be as tolerant of his neighbor's shortcomings as he is of his own.

Up to now, America has not been a good milieu for the rise of a mass movement. What starts out here as a mass movement ends up as a racket, a cult, or a corporation.

For many people, an excuse is better than an achievement because an achievement, no matter how great, leaves you having to prove yourself again in the future; but an excuse can last for life.

It is a talent of the weak to persuade themselves that they suffer for something when they suffer from something; that they are showing the way when they are running away; that they see the light when they feel the heat; that they are chosen when they are shunned.

To change everything, simply change your attitude.

There is a time when the word "eventually" has the soothing effect of a promise, and a time when the word evokes in us bitterness and scorn.