Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Opinion is the medium between knowledge and ignorance.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
The most savage controversies are those about matters as to which there is no good evidence either way.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Education is the kindling of a flame, not the filling of a vessel.
Real knowledge is to know the extent of one's ignorance.
There is nothing more awful, insulting, and depressing than banality.
Real learning comes about when the competitive spirit has ceased.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
All stable processes we shall predict. All unstable processes we shall control.
Industrialize or perish.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Just because I don't care doesn't mean I don't understand.
Knowing is not enough; we must apply. Willing is not enough; we must do.