The whole of science is nothing more than a refinement of everyday thinking.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
I learned very early the difference between knowing the name of something and knowing something.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
The task of a writer is not to solve the problem but to state the problem correctly.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
Evil being the root of mystery, pain is the root of knowledge.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Seek knowledge from the cradle to the grave.
Human behavior flows from three main sources: desire, emotion, and knowledge
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
I am a part of everything that I have read.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
Dare to think for yourself.
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.
The great difficulty in education is to get experience out of ideas.
Common sense is the collection of prejudices acquired by age eighteen.