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.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Learning never exhausts the mind.
The books that the world calls immoral are books that show the world its own shame.
My weapon is literature
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
I cannot live without books.
What we know is a drop, what we don't know is an ocean.
A child educated only at school is an uneducated child.
What is now proved was once only imagined.
A child miseducated is a child lost.
Education is a system of imposed ignorance.
Never help a child with a task at which he feels he can succeed.
If you can't explain it simply, you don't understand it well enough.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
The progressive development of man is vitally dependent on invention.
The great difficulty in education is to get experience out of ideas.
The more I read, the more I acquire, the more certain I am that I know nothing.
I do not know how to teach philosophy without becoming a disturber of the peace.
No power and no treasure can outweigh the extension of our knowledge.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.