He who knows, does not speak. He who speaks, does not know.

Every great advance in science has issued from a new audacity of the imagination.

All the great performers I have worked with are fuelled by a personal dream.

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

The self is not something ready-made, but something in continuous formation through choice of action.

As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them.

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.

Fortune befriends the bold.

Never tell a young person that anything cannot be done. God may have been waiting centuries for someone ignorant enough of the impossible to do that very thing.

He who knows others is wise. He who knows himself is enlightened.

A thing well said will be wit in all languages.

An ounce of emotion is equal to a ton of facts.