Education is a system of imposed ignorance.

A thought is an idea in transit.

Real knowledge is to know the extent of one's ignorance.

The ability to observe without evaluating is the highest form of intelligence.

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

There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.

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

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Courage, conviction and confidence.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Books are as useful to a stupid person as a mirror is useful to a blind person.

Educate the children and it won't be necessary to punish the men.

The deepest sin against the human mind is to believe things without evidence.

Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.

A child miseducated is a child lost.

I cannot teach anybody anything. I can only make them think

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

You can never be overdressed or overeducated.

Evil being the root of mystery, pain is the root of knowledge.

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

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