Try not to become a man of success. Rather become a man of value.

I sometimes ask myself how it came about that I was the one to develop the theory of relativity. The reason, I think, is that a normal adult never stops to think about problems of space and time. These are things which he has thought about as a child.

Strive not to be a success, but rather to be of value.

Try not to become a man of success, but rather try to become a man of value.

Try not to become a man of success, but a man of value.

If A equal success, then the formula is A equals X plus Y and Z, with X being work, Y play, and Z keeping your mouth shut.