If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
When you know better you do better.
The direction in which education starts a man will determine his future in life
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
The only good is knowledge and the only evil is ignorance.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
To educate a person in the mind but not in morals is to educate a menace to society.
A little knowledge is a dangerous thing. So is a lot.
Knowing others is wisdom, knowing yourself is Enlightenment.
Books are as useful to a stupid person as a mirror is useful to a blind person.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
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.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
Those who fail to learn the lessons of history are doomed to repeat them.
It is better to know how to learn than to know.