God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

Better know nothing than half-know many things.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

Science is not only a disciple of reason but, also, one of romance and passion.

When you know better you do better.

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

Most people have never learned that one of the main aims in life is to enjoy it.

Necessity is the mother of invention.

Industrialize or perish.

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

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

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

Knowledge becomes evil if the aim be not virtuous.

A witty saying proves nothing.

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.

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

Reading is to the mind what exercise is to the body.

Reading without reflecting is like eating without digesting.

Many much-learned men have no intelligence.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.