The things you do today that you don't have to do will determine who, what, and where you will be when it is too late to do anything about the things you should have done.

What could be worse than being born without sight? Being born with sight and no vision.

The woman who works for a dollar a day has as much right as any other human being to say what the conditions of her work should be.

Now I feel as if I should succeed in doing something in mathematics, although I cannot see why it is so very important. . . The knowledge doesn't make life any sweeter or happier, does it?

Commercial concerns have expanded from family business to corporate wealth which is self-perpetuating and which enlightened statesmen and economists now dread as the most potent oligarchy yet produced.

Happiness does not come from without, it comes from within

Be happy, talk happiness. Happiness calls out responsive gladness in others. There is enough sadness in the world without yours.