Knowledge becomes evil if the aim be not virtuous.

Real learning comes about when the competitive spirit has ceased.

The most savage controversies are those about matters as to which there is no good evidence either way.

Show me a family of readers, and I will show you the people who move the world.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

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

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

Science is a way of thinking much more than it is a body of knowledge.

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

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

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

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

Dare to think for yourself.

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

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

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

The direction in which education starts a man will determine his future in life

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

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

A little knowledge is a dangerous thing. So is a lot.

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