If we do not lay out ourselves in the service of mankind whom should we serve?

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

One of the truest tests of integrity is its blunt refusal to be compromised.

We learn from our gardens to deal with the most urgent question of the time: How much is enough?

You are braver than you believe, stronger than you seem, and smarter than you think.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

What a man does for others, not what they do for him, gives him immortality.

Experience is the only prophecy of wise men.

Act enthusiastic and you will be enthusiastic

I write with experiences in mind, but I don't write about them, I write out of them.

You cannot truly listen to anyone and do anything else at the same time.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

Where there is anger, there is always pain underneath.

What can't be cured must be endured.

It is hard to fight desire; but to control it is the sign of a reasonable man.

Never pick a fight with an ugly person, they've got nothing to lose.

Let no man pull you low enough to hate him.

It was a melancholy secret that reality can arouse desires but never satisfy them.

What you're thinking is what you're becoming.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Property is surely a right of mankind as real as liberty.