I am a part of everything that I have read.
If you can't explain it simply, you don't understand it well enough.
Seek knowledge from the cradle to the grave.
A witty saying proves nothing.
The task of a writer is not to solve the problem but to state the problem correctly.
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 most important part of teaching is to teach what it is to know.
Science is a way of thinking much more than it is a body of knowledge.
In mathematics you don't understand things. You just get used to them.
The only good is knowledge and the only evil is ignorance.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
To educate a person in the mind but not in morals is to educate a menace to society.
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.
Don't learn to do, but learn in doing.
When you know better you do better.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
If the facts don't fit the theory, change the facts.
Never help a child with a task at which he feels he can succeed.
Show me a family of readers, and I will show you the people who move the world.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
It is beyond a doubt that all our knowledge begins with experience.