The most important part of teaching is to teach what it is to know.
Know what you are talking about.
A child miseducated is a child lost.
To every action there is always an equal and opposite or contrary, reaction
Better know nothing than half-know many things.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
What we know is a drop, what we don't know is an ocean.
Show me a family of readers, and I will show you the people who move the world.
The highest result of education is tolerance.
If I have seen further it is by standing on the shoulders of Giants.
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.
The whole of science is nothing more than a refinement of everyday thinking.
It is what you read when you don't have to that determines what you will be when you can't help it.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
The secret of life is not enjoyment but education through experience.
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.
Books are as useful to a stupid person as a mirror is useful to a blind person.
It is better to know how to learn than to know.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Knowing others is wisdom, knowing yourself is Enlightenment.
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.