Education is an ornament for the prosperous, a refuge for the unfortunate.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Knowing others is wisdom, knowing yourself is Enlightenment.
Reading is to the mind what exercise is to the body.
Knowledge, Action, Devotion are complementary to each other.
Those who fail to learn the lessons of history are doomed to repeat them.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
I think that kids have a greater capacity for processing things than we give them credit for.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
Human behavior flows from three main sources: desire, emotion, and knowledge
It is better to know how to learn than to know.
No power and no treasure can outweigh the extension of our knowledge.
Better know nothing than half-know many things.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
If I have seen further it is by standing on the shoulders of Giants.
The most savage controversies are those about matters as to which there is no good evidence either way.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
The secret of life is not enjoyment but education through experience.
If the facts don't fit the theory, change the facts.
The reading of all good books is like conversation with the finest men of past centuries.