Don't worry that children never listen to you; worry that they are always watching you.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
An investment in knowledge pays the best interest.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
Books are as useful to a stupid person as a mirror is useful to a blind person.
I cannot live without books.
Free the child's potential, and you will transform him into the world.
The first principle is that you must not fool yourself and you are the easiest person to fool.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
You can never learn less, you can only learn more.
Dare to think for yourself.
Imagination is more important than knowledge.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
The most savage controversies are those about matters as to which there is no good evidence either way.
Any sufficiently advanced technology is indistinguishable from magic.
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.
The more I read, the more I acquire, the more certain I am that I know nothing.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
Education is an ornament for the prosperous, a refuge for the unfortunate.