Education is a system of imposed ignorance.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Necessity is the mother of invention.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
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.
The task of a writer is not to solve the problem but to state the problem correctly.
I am a part of everything that I have read.
Investigate, educate and organize.
The man who does not read good books has no advantage over the man who can't read them.
A witty saying proves nothing.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
If I have seen further it is by standing on the shoulders of Giants.
I learned very early the difference between knowing the name of something and knowing something.
Dare to think for yourself.
What is now proved was once only imagined.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
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.
Common sense is the collection of prejudices acquired by age eighteen.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Imagination is more important than knowledge.