Patience is a virtue, and I'm learning patience. It's a tough lesson.
An investment in knowledge pays the best interest.
What we know is a drop, what we don't know is an ocean.
The reading of all good books is like conversation with the finest men of past centuries.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Don't learn to do, but learn in doing.
If the facts don't fit the theory, change the facts.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
What is now proved was once only imagined.
I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Industrialize or perish.
Most people have never learned that one of the main aims in life is to enjoy it.
The only good is knowledge and the only evil is ignorance.
I am a part of everything that I have read.
If you can't explain it simply, you don't understand it well enough.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
Opinion is the medium between knowledge and ignorance.