Think as the wise men think, but talk like the simple people do.

It is during our darkest moments that we must focus to see the light.

Happiness depends upon ourselves.

Educating the mind without educating the heart is no education at all.

Adventure is worthwhile.

Patience is bitter, but its fruit is sweet.

Love is composed of a single soul inhabiting two bodies.

Education is an ornament in prosperity and a refuge in adversity.

Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.

Knowing yourself is the beginning of all wisdom.

Criticism is something we can avoid easily by saying nothing, doing nothing, and being nothing.

From politics to parenting, Christians have something to say.

Good spectator sports share certain fundamentals. Their competitors battle head-to-head. Their winners are determined objectively: fastest runner, most points. They are refereed, not judged.

My wife and I have so much fun when we travel and find anything... like stray cats and squirrels.

In general, if any branch of trade, or any division of labour, be advantageous to the public, the freer and more general the competition, it will always be the more so.

Children don't get cheaper when they turn six.

There's never been a good government.

I saw what it means to work every weekend and every night, and I realized it doesn't work for me. It's not necessary. If you know what you want, you can achieve it without going crazy.

I hope that by 2050 the entire solar system will have been explored and mapped by flotillas of tiny robotic craft.

There really is no Johnny Carson anymore. There is no one place a comedian can appear and explode.

I have no regrets about anything that I've ever done, about whom I've been involved with, so forth and so on.