The only true wisdom is in knowing you know nothing.

There is only one good, knowledge, and one evil, ignorance.

Logic will get you from A to Z, imagination will get you everywhere.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Where there is shouting, there is no true knowledge.

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.

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

Reality is merely an illusion.

Once we accept our limits, we go beyond them.