What sculpture is to a block of marble, education is to a human soul.
If you can't explain it simply, you don't understand it well enough.
Know what you are talking about.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
The task of a writer is not to solve the problem but to state the problem correctly.
Seek knowledge from the cradle to the grave.
When you know better you do better.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Knowledge becomes evil if the aim be not virtuous.
Investigate, educate and organize.
No power and no treasure can outweigh the extension of our knowledge.
The whole of science is nothing more than a refinement of everyday thinking.
Make it a rule never to give a child a book you would not read yourself.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
There is nothing more awful, insulting, and depressing than banality.
Study without desire spoils the memory, and it retains nothing that it takes in.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
I am a part of everything that I have read.
Science is not only a disciple of reason but, also, one of romance and passion.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.