Think globally, act locally.

It is the mark of an educated mind to be able to entertain a thought without accepting it.

I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.

The most courageous act is still to think for yourself. Aloud.

Property is surely a right of mankind as real as liberty.

Choose rather to be strong of soul than strong of body.

A perfection of means, and confusion of aims, seems to be our main problem.

Creativity is the greatest rebellion in existence.

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

For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.

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

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

Doubt is the origin of wisdom

Wise men speak because they have something to say; Fools because they have to say something.

It is neither good nor bad, but thinking makes it so.

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

One must wait until the evening to see how splendid the day has been.

The greatest of all mistakes is to do nothing because you think you can only do a little

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.

Rest satisfied with doing well, and leave others to talk of you as they please.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.