Anyone who has never made a mistake has never tried anything new.

Imagine the end desired and feel its reality. Follow it through, and you will get definite results.

Reality leaves a lot to the imagination.

A clever person solves a problem. A wise person avoids it.

Insanity is doing the same thing over and over again and expecting different results.

I have no special talents. I am only passionately curious.

Only a life lived for others is a life worthwhile.

Things are only as black as they seem.

Once we accept our limits, we go beyond them.