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

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

There is a wisdom of the head, and... there is a wisdom of the heart.

If you buy what you do not need, you will need what you cannot buy.

Do not pray for an easy life, pray for the strength to endure a difficult one.

Think globally, act locally.

Our society is run by insane people for insane objectives.

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

Without courage, wisdom bears no fruit.

For we walk by faith, not by sight

What's real and what's true aren't necessarily the same.

I believe that one defines oneself by reinvention. To not be like your parents. To not be like your friends. To be yourself. To cut yourself out of stone.

Nothing is as easy as it looks.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

There is always time to add a word, never to withdraw one.

The best revenge is to be unlike him who performed the injury.

Be realistic: Plan for a miracle

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

I dream. Sometimes I think that's the only right thing to do.

Don't compromise yourself. You are all you've got.

Experience keeps a dear school, but fools will learn in no other.