Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Education is the most powerful weapon which you can use to change the world.
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
No power and no treasure can outweigh the extension of our knowledge.
The whole of science is nothing more than a refinement of everyday thinking.
What is now proved was once only imagined.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
The only true wisdom is in knowing you know nothing.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
No man's knowledge here can go beyond his experience.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
Books are for people who wish they were somewhere else.
The secret of life is not enjoyment but education through experience.
The knowledge of all things is possible
Those who fail to learn the lessons of history are doomed to repeat them.
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.
Imagination is more important than knowledge.
I like poems you can tack all over with a hammer and there are no hollow places.
The first principle is that you must not fool yourself and you are the easiest person to fool.