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.
The only true wisdom is in knowing you know nothing.
The first principle is that you must not fool yourself and you are the easiest person to fool.
A child miseducated is a child lost.
Just when I thought there wasn't room enough for another thought in my head, I had this great idea.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
When you know better you do better.
I cannot live without books.
Real knowledge is to know the extent of one's ignorance.
Better know nothing than half-know many things.
Education is an ornament for the prosperous, a refuge for the unfortunate.
Knowledge becomes evil if the aim be not virtuous.
Opinion is the medium between knowledge and ignorance.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
Any sufficiently advanced technology is indistinguishable from magic.
All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.
Many much-learned men have no intelligence.
Science is not only a disciple of reason but, also, one of romance and passion.
The direction in which education starts a man will determine his future in life
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
The great difficulty in education is to get experience out of ideas.