The only true wisdom is in knowing you know nothing.

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

Everything you can imagine is real.

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

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

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.

If you can't explain it to a six year old, you don't understand it yourself.

Only a life lived for others is a life worthwhile.

Why does the eye see a thing more clearly in dreams than the imagination when awake?