Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
An investment in knowledge pays the best interest.
Make it a rule never to give a child a book you would not read yourself.
Don't learn to do, but learn in doing.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Know what you are talking about.
Common sense is the collection of prejudices acquired by age eighteen.
A thought is an idea in transit.
Opinion is the medium between knowledge and ignorance.
I learned very early the difference between knowing the name of something and knowing something.
I am a part of everything that I have read.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Evil being the root of mystery, pain is the root of knowledge.
A child educated only at school is an uneducated child.
What sculpture is to a block of marble, education is to a human soul.
There is nothing more awful, insulting, and depressing than banality.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
If there were no bad people, there would be no good lawyers.
You can never learn less, you can only learn more.
No man's knowledge here can go beyond his experience.
I cannot teach anybody anything. I can only make them think