I decided to teach because I think that any person who studies philosophy has to be involved actively.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
You can never learn less, you can only learn more.
To educate a person in the mind but not in morals is to educate a menace to society.
A thought is an idea in transit.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
Evil being the root of mystery, pain is the root of knowledge.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
I am so clever that sometimes I don't understand a single word of what I am saying.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
The knowledge of all things is possible
Never help a child with a task at which he feels he can succeed.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
Civilization is a race between disaster and education.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Investigate, educate and organize.
A little knowledge is a dangerous thing. So is a lot.
It took us three years to build the NeXT computer. If we'd given customers what they said they wanted, we'd have built a computer they'd have been happy with a year after we spoke to them - not something they'd want now.