In just six weeks from the time the design was started, we had the motor on the block testing its power.

Self-pity is our worst enemy and if we yield to it, we can never do anything wise in this world.

Delay always breeds danger. To protract a great design is often to ruin it.

Do unto those downstream as you would have those upstream do unto you.

Certainty? In this world nothing is certain but death and taxes.

Your personal nature seeks its paradise.

Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.

Blessed are the cracked, for they shall let in the light.

Liberty, according to my metaphysics is a self-determining power in an intellectual agent. It implies thought and choice and power.

I am not now That which I have been.

I do not argue with obstinate men. I act in spite of them.

There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.

I have only ever read one book in my life, and that is White Fang. It's so frightfully good I've never bothered to read another.

A girl should be two things: classy and fabulous.

Never go to a doctor whose office plants have died.

Good actions ennoble us, and we are the sons of our deeds.

Effective action is always unjust.

In the intellectual order, the virtue of humility is nothing more nor less than the power of attention.

As we look ahead into the next century, leaders will be those who empower others.

The Internet is becoming the town square for the global village of tomorrow.

A hero cannot be a hero unless in a heroic world.