Tis very certain the desire of life prolongs it.

The most certain sign of wisdom is cheerfulness.

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.

Knowledge speaks, but wisdom listens

It is not enough to have a good mind; the main thing is to use it well.

You don't become what you want, you become what you believe

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

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.

Simplicity is the ultimate sophistication.

Admiration is the daughter of ignorance.

A good teacher protects his pupils from his own influence.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

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

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

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.

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

Don't criticize what you don't understand, son. You never walked in that man's shoes.

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

Just remember, once you're over the hill you begin to pick up speed.

And this sensitivity will create new friendships for you - friendships with trees, with birds, with animals, with mountains, with rivers, with oceans, with stars. Life becomes richer as love grows.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.