It isn't what we don't know that gives us trouble, it's what we know that ain't so.
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.
I have no special talents. I am only passionately curious.
Study without desire spoils the memory, and it retains nothing that it takes in.
Knowledge becomes evil if the aim be not virtuous.
I cannot live without books.
If you can't explain it simply, you don't understand it well enough.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
Common sense is the collection of prejudices acquired by age eighteen.
I learned very early the difference between knowing the name of something and knowing something.
You can never be overdressed or overeducated.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
The schools ain't what they used to be and never was.
Intelligence plus character-that is the goal of true education.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
It is what you read when you don't have to that determines what you will be when you can't help it.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
Don't worry that children never listen to you; worry that they are always watching you.
The more I read, the more I acquire, the more certain I am that I know nothing.