Some men grow mad by studying much to know, But who grows mad by studying good to grow.

A Penny Saved is a Penny Earned.

Well done is better than well said.

The doorstep to the temple of wisdom is a knowledge of our own ignorance.

You can do anything you set your mind to.

Never leave that till tomorrow which you can do today.

Tell me and I forget. Teach me and I remember. Involve me and I learn.

Beware of little expenses. A small leak will sink a great ship.

By failing to prepare, you are preparing to fail.

If you would know the value of money, go and try to borrow some.

War is when the government tells you who the bad guy is. Revolution is when you decide that for yourself.

To be depreciated and humiliated isn't a statement of your worth but rather an evidence of your disregarded potential.

If a person gets rid of any weight, or girth, or fat, it isn't lost--it is fought off, beaten off.

Biogeography typically trumps taxonomy and anticipates molecular phylogeny

Life is short, I have no time for drama.

In 1968, I became a vegetarian after realizing that animals feel afraid, cold, hungry, and unhappy like we do.

If you want to give a man something practical, consider tires. More than once, I would have gladly traded all the gifts I got for a new set of tires.

I didn't really get a normal childhood.

The poor also are willing to make, and do make, smart decisions, if you give them that opportunity.

Laughter is a powerful way to tap positive emotions

It doesn't take any imagination at all to feel awed