Rational discussion is useful only when there is a significant base of shared assumptions.

To be wronged is nothing unless you continue to remember it.

The greatest power we have is the power of choice.

Confidence is contagious. So is lack of confidence.

You have heard that it was said, 'Eye for eye, and tooth for tooth.' But I tell you, do not resist an evil person. If someone strikes you on the right cheek, turn to him the other also.

Only from the heart can you touch the sky.

Having a great intellect is no path to being happy.

Those who see the invisible can do the impossible.

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.

If I speak of myself in different ways, that is because I look at myself in different ways.

Obsession is the wellspring of genius and madness.

Knowing yourself is the beginning of all wisdom.

Why fit in when you were born to stand out?

Your inner world has its own taste, has its own fragrance, has its own light. And it is utterly silent.

The future is uncertain but the end is always near.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

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 greatest deception men suffer is from their own opinions.

If we do not lay out ourselves in the service of mankind whom should we serve?

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.