“ It's easier for a builder to learn sales than for a seller to learn building. ”
A wise man can learn more from a foolish question than a fool can learn from a wise answer.
I am always doing what I cannot do yet, in order to learn how to do it.
It is not necessary to go through every kind of human experience in order to attain the ultimate wisdom. You should be able to learn by studying the lives of others.
You cannot open a book without learning something.