The only true wisdom is in knowing you know nothing.

I think that kids have a greater capacity for processing things than we give them credit for.

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

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

I cannot live without books.

Dare to think for yourself.

It is better to know how to learn than to know.

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

Necessity is the mother of invention.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

Books are for people who wish they were somewhere else.

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

Seek knowledge from the cradle to the grave.

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

I am a part of everything that I have read.

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.

In mathematics you don't understand things. You just get used to them.

It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.

Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.