With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
There is no authority who decides what is a good idea.
Necessity is the mother of invention.
Real knowledge is to know the extent of one's ignorance.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Better know nothing than half-know many things.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Imagination is more important than knowledge.
The task of a writer is not to solve the problem but to state the problem correctly.
Study without desire spoils the memory, and it retains nothing that it takes in.
The first principle is that you must not fool yourself and you are the easiest person to fool.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Know what you are talking about.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
A cynic is a man who knows the price of everything, and the value of nothing.
Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
It is better to know how to learn than to know.