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

The knowledge of all things is possible

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

Human behavior flows from three main sources: desire, emotion, and knowledge

You can never learn less, you can only learn more.

Study without desire spoils the memory, and it retains nothing that it takes in.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

The only true wisdom is in knowing you know nothing.

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

Necessity is the mother of invention.

Dare to think for yourself.

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

I am a part of everything that I have read.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

One test of the correctness of educational procedure is the happiness of the child.

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

Make it a rule never to give a child a book you would not read yourself.

Reading without reflecting is like eating without digesting.

Many much-learned men have no intelligence.

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

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.