Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
There is no authority who decides what is a good idea.
The reading of all good books is like conversation with the finest men of past centuries.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Knowledge becomes evil if the aim be not virtuous.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
If the facts don't fit the theory, change the facts.
Free the child's potential, and you will transform him into the world.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Study without desire spoils the memory, and it retains nothing that it takes in.
The most savage controversies are those about matters as to which there is no good evidence either way.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
Any sufficiently advanced technology is indistinguishable from magic.
The progressive development of man is vitally dependent on invention.
A child educated only at school is an uneducated child.
The whole of science is nothing more than a refinement of everyday thinking.
The most important part of teaching is to teach what it is to know.
Knowing others is wisdom, knowing yourself is Enlightenment.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.