Genius is seldom recognized for what it is: a great capacity for hard work.

The time will come when man will know even what is going on in the other planets and perhaps be able to visit them.

I don't expect to retire. Every man must work, that's his natural destiny.

Reading musses up my mind.

Businessmen go down with their businesses because they like the old way so well they cannot change.

My grandfather killed my father in my mind. I know he died of cancer-but it was because of what my grandfather did to him.

I cannot discover that anyone knows enough to say definitely what is and what is not possible.