Know what you are talking about.
The most important part of teaching is to teach what it is to know.
The more I read, the more I acquire, the more certain I am that I know nothing.
Books are for people who wish they were somewhere else.
Learning never exhausts the mind.
The secret of life is not enjoyment but education through experience.
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.
Education is the kindling of a flame, not the filling of a vessel.
Education is an ornament for the prosperous, a refuge for the unfortunate.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.
To educate a person in the mind but not in morals is to educate a menace to society.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
One test of the correctness of educational procedure is the happiness of the child.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
You can never be overdressed or overeducated.
The direction in which education starts a man will determine his future in life
The fullness of knowledge only comes through the awareness of ignorance.
Investigate, educate and organize.