If you want the present to be different from the past, study the past.
Education is the most powerful weapon which you can use to change the world.
If you can't explain it simply, you don't understand it well enough.
My weapon is literature
It is better to know how to learn than to know.
Most people have never learned that one of the main aims in life is to enjoy it.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
I think that kids have a greater capacity for processing things than we give them credit for.
I have no special talents. I am only passionately curious.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
I learned very early the difference between knowing the name of something and knowing something.
A witty saying proves nothing.
Many much-learned men have no intelligence.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
The only true wisdom is in knowing you know nothing.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.