Never eat more than you can lift.

Nothing is impossible. Some things are just less likely than others.

Self-confidence is the first requisite to great undertakings.

Education's purpose is to replace an empty mind with an open one.

Life wouldn't be worth living if I worried over the future as well as the present.

I often quote myself. It adds spice to my conversation.

Every day, in every way, I am getting better and better.

Simplicity is the peak of civilization.

Only the mediocre are always at their best.

It is not necessary to understand things in order to argue about them.

Parents were invented to make children happy by giving them something to ignore.

One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.

The world is full of willing people, some willing to work, the rest willing to let them.

While we try to teach our children all about life, our children teach us what life is all about.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

You can't build a reputation on what you are going to do.

You must first have a lot of patience to learn to have patience.

If a thing isn't worth saying, you sing it.

Everyone is born with genius, but most people only keep it a few minutes.

Money is like a sixth sense without which you cannot make a complete use of the other five.

There cannot be a crisis next week. My schedule is already full.

A problem is a chance for you to do your best.

Drama is life with the dull bits cut out.

Life is a long lesson in humility.

The best way to predict the future is to invent it.

Even if you're on the right track, you'll get run over if you just sit there.

Never judge a book by its movie.

Education is a progressive discovery of our own ignorance.

It's kind of fun to do the impossible.

Man invented language to satisfy his deep need to complain.