Books are as useful to a stupid person as a mirror is useful to a blind person.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Science is not only a disciple of reason but, also, one of romance and passion.
To every action there is always an equal and opposite or contrary, reaction
In mathematics you don't understand things. You just get used to them.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
I think that kids have a greater capacity for processing things than we give them credit for.
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.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Investigate, educate and organize.
Learning never exhausts the mind.
The great difficulty in education is to get experience out of ideas.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
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.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
A child miseducated is a child lost.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.