The brighter you are, the more you have to learn.
Spoon feeding in the long run teaches us nothing but the shape of the spoon.
I hear and I forget. I see and I remember. I do and I understand.
There is much pleasure to be gained from useless knowledge.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
Real knowledge is to know the extent of one's ignorance.
I made my money by selling too soon.
Don't try to buy at the bottom and sell at the top. It can't be done except by liars.
Consistency is the last resort of the unimaginative.
Some men see things as they are and ask, "Why?" I dream things that never were and ask, "Why not?"