I am indebted to my father for living, but to my teacher for living well.
The progressive development of man is vitally dependent on invention.
In mathematics you don't understand things. You just get used to them.
Dare to think for yourself.
Evil being the root of mystery, pain is the root of knowledge.
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.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
The direction in which education starts a man will determine his future in life
To every action there is always an equal and opposite or contrary, reaction
The task of a writer is not to solve the problem but to state the problem correctly.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
Industrialize or perish.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
You can never learn less, you can only learn more.
If you want the present to be different from the past, study the past.
I am so clever that sometimes I don't understand a single word of what I am saying.
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.
Science is what we have learned about how to keep from fooling ourselves.
The ability to observe without evaluating is the highest form of intelligence.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
Seek knowledge from the cradle to the grave.