Real knowledge is to know the extent of one's ignorance.
The real solution lies in a world in which charity will have become unnecessary.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
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.
A thought is an idea in transit.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Common sense is the collection of prejudices acquired by age eighteen.
I am indebted to my father for living, but to my teacher for living well.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
It is beyond a doubt that all our knowledge begins with experience.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Books are as useful to a stupid person as a mirror is useful to a blind person.
Free the child's potential, and you will transform him into the world.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
Intelligence plus character-that is the goal of true education.
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.
