One test of the correctness of educational procedure is the happiness of the child.
What is now proved was once only imagined.
I like poems you can tack all over with a hammer and there are no hollow places.
A child educated only at school is an uneducated child.
The only good is knowledge and the only evil is ignorance.
Learning never exhausts the mind.
The knowledge of all things is possible
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.
If you can't explain it simply, you don't understand it well enough.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
The reading of all good books is like conversation with the finest men of past centuries.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Education is an ornament for the prosperous, a refuge for the unfortunate.
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.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Knowing is not enough; we must apply. Willing is not enough; we must do.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
