In mathematics you don't understand things. You just get used to them.
The only true wisdom is in knowing you know nothing.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
You can never learn less, you can only learn more.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
No man's knowledge here can go beyond his experience.
All stable processes we shall predict. All unstable processes we shall control.
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.
An investment in knowledge pays the best interest.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Human behavior flows from three main sources: desire, emotion, and knowledge
Imagination is more important than knowledge.
The books that the world calls immoral are books that show the world its own shame.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Books are as useful to a stupid person as a mirror is useful to a blind person.
Those who fail to learn the lessons of history are doomed to repeat them.
No power and no treasure can outweigh the extension of our knowledge.
The direction in which education starts a man will determine his future in life
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.