Investigate, educate and organize.
If I have seen further it is by standing on the shoulders of Giants.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
You can never be overdressed or overeducated.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
There is no authority who decides what is a good idea.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
A child educated only at school is an uneducated child.
Knowledge becomes evil if the aim be not virtuous.
To educate a person in the mind but not in morals is to educate a menace to society.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
A witty saying proves nothing.
It is better to know how to learn than to know.
Make it a rule never to give a child a book you would not read yourself.
One test of the correctness of educational procedure is the happiness of the child.
Those who fail to learn the lessons of history are doomed to repeat them.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.