Don't fight forces; use them.

I just invent, then wait until man comes around to needing what I've invented.

Thou mayest as well expect to grow stronger by always eating, as wiser by always reading. Too much overcharges Nature, and turns more into disease than nourishment. 'Tis thought and digestion which make books serviceable, and give health and vigor to the mind.

If the success or failure of this planet, and of human beings, depended on how I am and what I do, How would I be? What would I do?

If success or failure of this planet and of human beings depended on how I am and what I do...How would I be? What would I do?

There is nothing in a caterpillar that tells you it's going to be a butterfly.

Nature does have manure and she does have roots as well as blossoms, and you can't hate the manure and blame the roots for not being blossoms.

When I am working on a problem I never think about beauty. I only think about how to solve the problem. But when I have finished; if the solution is not beautiful; I know it is wrong.

If the success or failure of this planet and of human beings depended on how I am and what I do, how would I be? What would I do?

Technologically we now have four [seven!] billion billionaires on board Spaceship Earth who are entirely unaware of their good fortune.