It's not what we don't know that prevents us from succeeding; it's what we know that just ain't so that is our greatest obstacle.

Laughter is the fireworks of the soul.

A dog is the only thing on earth that loves you more than you love yourself.

Health is like money, we never have a true idea of its value until we lose it.

The miser and the glutton are two facetious buzzards: one hides his store, and the other stores his hide.

Never work before breakfast; if you have to work before breakfast, eat your breakfast first.

Be like a postage stamp. Stick to one thing until you get there.

Consider the postage stamp: its usefulness consists in the ability to stick to one thing till it gets there.

The wheel that squeaks the loudest is the one that gets the grease.

Love looks through a telescope; envy, through a microscope.

The happiest time in any man's life is when he is in red-hot pursuit of a dollar with a reasonable prospect of overtaking it.

... here's what I believe - sometimes God has a Plan B...

Whether or not you can observe a thing depends upon the theory you use. It is the theory which decides what can be observed.

Intellectual curiosity drove Einstein to some of the world's most important discoveries.

You never know exactly how new policies are going to work. That doesn't mean you shouldn't try them.

A little bit is not that much to ask to make things right.

I like any title with the letters U.S. in front of it. To me, the U.S. Open is the most important tournament in the world.

Do that which serves your cause, not that which serves your rage.

I have no sense of nationalism, only a cosmic consciousness of belonging to the human family.

The first thing I'd do [as a president] is de-regulate about 90-percent of the things that they've got regulation on, OK, including duck hunting. We're way over-regulated on everything.

If you stop building stars, which we never do, you wouldn't be in business.