The only true wisdom is in knowing you know nothing.

One can have no smaller or greater mastery than mastery of oneself.

Kindness in words creates confidence. Kindness in thinking creates profoundness. Kindness in giving creates love.

There are two things a person should never be angry at, what they can help, and what they cannot.

A leader is best when people barely know he exists, when his work is done, his aim fulfilled, they will say, we did it ourselves.

That which does not kill us makes us stronger.

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.

There's no one thing that's true. It's all true.

For a man to conquer himself is the first and noblest of all victories.