The deepest sin against the human mind is to believe things without evidence.
The most important part of teaching is to teach what it is to know.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Free the child's potential, and you will transform him into the world.
Science is what we have learned about how to keep from fooling ourselves.
Know what you are talking about.
Many much-learned men have no intelligence.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Books are as useful to a stupid person as a mirror is useful to a blind person.
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.
Imagination is more important than knowledge.
The more I read, the more I acquire, the more certain I am that I know nothing.
A witty saying proves nothing.
Seek knowledge from the cradle to the grave.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Dare to think for yourself.
Civilization is a race between disaster and education.
The knowledge of all things is possible
Men are born ignorant, not stupid. They are made stupid by education.
To educate a person in the mind but not in morals is to educate a menace to society.
In mathematics you don't understand things. You just get used to them.