We must live together as brothers or perish together as fools.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Realize deeply that the present moment is all you ever have.

If you do what you've always done, you'll get what you've always gotten.

I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.

When I stand before God at the end of my life, I would hope that I would not have a single bit of talent left, and could say, 'I used everything you gave me'.

When you dance, your purpose is not to get to a certain place on the floor. It's to enjoy each step along the way.

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

A precedent embalms a principle.

It is tact that is golden, not silence.

I think, therefore I am.

Knowing yourself is the beginning of all wisdom.

The future is uncertain but the end is always near.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Only idiots refuse to change their minds.

I have no desire to make windows into mens souls

Intelligence is the ability to adapt to change.

Man is the only creature who refuses to be what he is.

The only way to get the best of an argument is to avoid it.

Intelligence is a moral category.

How often it is that the angry man rages denial of what his inner self is telling him.