To get a great idea, come up with lots of them.

His genius he was quite content in one brief sentence to define; Of inspiration one percent, of perspiration, ninety nine.

I am proud of the fact that I never invented weapons to kill.

Nature is what we know. We do not know the gods of religions. And nature is not kind, or merciful, or loving. If God made me - the fabled God of the three qualities of which I spoke: mercy, kindness, love - He also made the fish I catch and eat. And where do His mercy, kindness, and love for that fish come in? No; nature made us - nature did it all - not the gods of the religions.

The real measure of success is the number of experiments that can be crowded into 24 hours.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

To me, the idea and expectation that the day is slowly and surely coming when we will be able to honestly say we are our brother's keeper and not his oppressor is very beautiful .