A cynic is a man who knows the price of everything, and the value of nothing.

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

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

Knowledge becomes evil if the aim be not virtuous.

I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.

Knowing others is wisdom, knowing yourself is Enlightenment.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

Civilization is a race between disaster and education.

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

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

A child miseducated is a child lost.

Common sense is the collection of prejudices acquired by age eighteen.

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

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.

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

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

Any sufficiently advanced technology is indistinguishable from magic.

The first idea the child must acquire is that of the difference between good and evil.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

Intelligence plus character-that is the goal of true education.