There is no authority who decides what is a good idea.
Dare to think for yourself.
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.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
I have no special talents. I am only passionately curious.
Knowledge, Action, Devotion are complementary to each other.
Imagination is more important than knowledge.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
No power and no treasure can outweigh the extension of our knowledge.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Show me a family of readers, and I will show you the people who move the world.
You can never learn less, you can only learn more.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
The real solution lies in a world in which charity will have become unnecessary.
Science is a way of thinking much more than it is a body of knowledge.
Reading is to the mind what exercise is to the body.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
I do not know how to teach philosophy without becoming a disturber of the peace.
There is nothing more awful, insulting, and depressing than banality.
I am a part of everything that I have read.