Moderation in temper is always a virtue; but moderation in principle is always a vice.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

What can't be cured must be endured.

Confidence is contagious. So is lack of confidence.

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

Real knowledge is to know the extent of one's ignorance.

Act enthusiastic and you will be enthusiastic

If you don't want to slip up tomorrow, speak the truth today.

A person reveals his character by nothing so clearly as the joke he resents.

It is man that makes truth great, not truth that makes man great.

Good advice is always certain to be ignored, but that's no reason not to give it.

Generosity is giving more than you can, and pride is taking less than you need.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

When you learn, teach, when you get, give.

Courage, above all things, is the first quality of a warrior.

The lie is a condition of life.

As our case is new, we must think and act anew.

Only from the heart can you touch the sky.

And no one will listen to us until we listen to ourselves.

The simple things are also the most extraordinary things, and only the wise can see them.

I've come to believe that all my past failure and frustration were actually laying the foundation for the understandings that have created the new level of living I now enjoy.