Dare to think for yourself.
I am indebted to my father for living, but to my teacher for living well.
The only true wisdom is in knowing you know nothing.
Know what you are talking about.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
If there were no bad people, there would be no good lawyers.
Reading without reflecting is like eating without digesting.
If I have seen further it is by standing on the shoulders of Giants.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
What is now proved was once only imagined.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
Real knowledge is to know the extent of one's ignorance.
Education is the most powerful weapon which you can use to change the world.
Imagination is more important than knowledge.
Science is a way of thinking much more than it is a body of knowledge.
I do not know how to teach philosophy without becoming a disturber of the peace.
The man who does not read good books has no advantage over the man who can't read them.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
The ability to observe without evaluating is the highest form of intelligence.