A cynic is a man who knows the price of everything, and the value of nothing.
Opinion is the medium between knowledge and ignorance.
Education is the kindling of a flame, not the filling of a vessel.
The only good is knowledge and the only evil is ignorance.
It is what you read when you don't have to that determines what you will be when you can't help it.
If I have seen further it is by standing on the shoulders of Giants.
I do not know how to teach philosophy without becoming a disturber of the peace.
I think that kids have a greater capacity for processing things than we give them credit for.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
What we know is a drop, what we don't know is an ocean.
A thought is an idea in transit.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Knowing others is wisdom, knowing yourself is Enlightenment.
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Better know nothing than half-know many things.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
Evil being the root of mystery, pain is the root of knowledge.
Science is not only a disciple of reason but, also, one of romance and passion.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.