Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
The reading of all good books is like conversation with the finest men of past centuries.
The deepest sin against the human mind is to believe things without evidence.
You can never be overdressed or overeducated.
In order to stave off covetouness, greed, and spite, citizens world over must be educated.
Science is not only a disciple of reason but, also, one of romance and passion.
To educate a person in the mind but not in morals is to educate a menace to society.
The fullness of knowledge only comes through the awareness of ignorance.
If you want the present to be different from the past, study the past.
The whole of science is nothing more than a refinement of everyday thinking.
Reading without reflecting is like eating without digesting.
Educate the children and it won't be necessary to punish the men.
Courage, conviction and confidence.
The progressive development of man is vitally dependent on invention.
Don't learn to do, but learn in doing.
Opinion is the medium between knowledge and ignorance.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
What we know is a drop, what we don't know is an ocean.
Education is the kindling of a flame, not the filling of a vessel.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
I think that kids have a greater capacity for processing things than we give them credit for.