Free the child's potential, and you will transform him into the world.

To every action there is always an equal and opposite or contrary, reaction

With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.

What is freedom of expression? Without the freedom to offend, it ceases to exist.

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

The only good is knowledge and the only evil is ignorance.

What is now proved was once only imagined.

Men are born ignorant, not stupid. They are made stupid by education.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

It is beyond a doubt that all our knowledge begins with experience.

The man who does not read good books has no advantage over the man who can't read them.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.

No man's knowledge here can go beyond his experience.

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

The books that the world calls immoral are books that show the world its own shame.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.

It is what you read when you don't have to that determines what you will be when you can't help it.