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

The more I see, the less I know for sure.

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

My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.

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

The most important knowledge is that which guides the way you lead your life.

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

Reality is merely an illusion.

Once we accept our limits, we go beyond them.