The whole of science is nothing more than a refinement of everyday thinking.
Industrialize or perish.
No power and no treasure can outweigh the extension of our knowledge.
I like poems you can tack all over with a hammer and there are no hollow places.
Common sense is the collection of prejudices acquired by age eighteen.
I learned very early the difference between knowing the name of something and knowing something.
The books that the world calls immoral are books that show the world its own shame.
Science is what we have learned about how to keep from fooling ourselves.
Know what you are talking about.
Don't worry that children never listen to you; worry that they are always watching you.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
A child miseducated is a child lost.
A witty saying proves nothing.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Books are as useful to a stupid person as a mirror is useful to a blind person.
No man's knowledge here can go beyond his experience.
Show me a family of readers, and I will show you the people who move the world.
The man who does not read good books has no advantage over the man who can't read them.
If I have seen further it is by standing on the shoulders of Giants.
I do not know how to teach philosophy without becoming a disturber of the peace.