Quotes

Divide and rule, a sound motto; unite and lead, a better one.

Against criticism a man must act in spite of it.

I love those who yearn for the impossible.

You only see what you know.

Everything is hard before it is easy.

What you can do or think you can do, begin it. For boldness has magic, power, and genius in it.

There is nothing more frightful than ignorance in action.

To think is easy. To act is hard.

Knowing is not enough; we must apply. Willing is not enough; we must do.

Mathematics is the key and door to the sciences.

Nonetheless, it moves.

Passion is the genesis of genius.