All stable processes we shall predict. All unstable processes we shall control.

The most important part of teaching is to teach what it is to know.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Seek knowledge from the cradle to the grave.

If you want the present to be different from the past, study the past.

If I have seen further it is by standing on the shoulders of Giants.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

I have no special talents. I am only passionately curious.

A cynic is a man who knows the price of everything, and the value of nothing.

The reading of all good books is like conversation with the finest men of past centuries.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.

Opinion is the medium between knowledge and ignorance.

The first principle is that you must not fool yourself and you are the easiest person to fool.

What we know is a drop, what we don't know is an ocean.

The task of a writer is not to solve the problem but to state the problem correctly.

An investment in knowledge pays the best interest.

Dare to think for yourself.

The white man is very clever. He came quietly and peaceably with his religion. We were amused at his foolishness and allowed him to stay. Now he has won our brothers, and our clan can no longer act like one. He has put a knife on the things that held us together and we have fallen apart.

If there were no bad people, there would be no good lawyers.