Human behavior flows from three main sources: desire, emotion, and knowledge
Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country
Patience is a virtue, and I'm learning patience. It's a tough lesson.
You can never learn less, you can only learn more.
Those who fail to learn the lessons of history are doomed to repeat them.
No man's knowledge here can go beyond his experience.
There is no authority who decides what is a good idea.
The ability to observe without evaluating is the highest form of intelligence.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
A witty saying proves nothing.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
One test of the correctness of educational procedure is the happiness of the child.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Know what you are talking about.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Men are born ignorant, not stupid. They are made stupid by education.
All stable processes we shall predict. All unstable processes we shall control.
If the facts don't fit the theory, change the facts.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
It is what you read when you don't have to that determines what you will be when you can't help it.
The whole of science is nothing more than a refinement of everyday thinking.