Today you are you! That is truer than true! There is no one alive who is you-er than you!

Let him who would move the world first move himself.

The very essence of instinct is that it's followed independently of reason.

Everything excellent is as difficult as it is rare.

I think, therefore I am.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

If you do not know the laws of right conduct, you cannot form your character.

There is always time to add a word, never to withdraw one.

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.

The ultimate authority must always rest with the individual's own reason and critical analysis.

We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

Judge a man by his questions rather than by his answers.

Empty pockets never held anyone back. Only empty heads and empty hearts can do that.

He who conquers others is strong; he who conquers himself is mighty.

Be curious, not judgmental.

There are no limitations to the mind except those we acknowledge.

Intelligence is the ability to adapt to change.

Don't criticize what you can't understand.

We thought that we had the answers, it was the questions we had wrong.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!