Great ideas originate in the muscles.

Genius is not inspired. Inspiration is perspiration.

Nature made us - nature did it all - not the gods of the religions.

Having a vision for what you want is not enough...Vision without execution is hallucination

Maturity is often more absurd than youth and very frequently is most unjust to youth.

I will not say I failed 1000 times, I will say that I discovered there are 1000 ways that can cause failure

To have a great idea, have a lot of them.