A cynic is a man who knows the price of everything, and the value of nothing.
The first idea the child must acquire is that of the difference between good and evil.
Books are as useful to a stupid person as a mirror is useful to a blind person.
Evil being the root of mystery, pain is the root of knowledge.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
The knowledge of all things is possible
The man who does not read good books has no advantage over the man who can't read them.
Opinion is the medium between knowledge and ignorance.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
I am indebted to my father for living, but to my teacher for living well.
Courage, conviction and confidence.
Science is not only a disciple of reason but, also, one of romance and passion.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
The highest result of education is tolerance.
Education is the kindling of a flame, not the filling of a vessel.
Real knowledge is to know the extent of one's ignorance.
The more I read, the more I acquire, the more certain I am that I know nothing.
Dare to think for yourself.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
What is freedom of expression? Without the freedom to offend, it ceases to exist.