“Learn some things from those who know; Watch some things from those who do; Learn other things by self experience.”

“One learns from books and example only that certain things can be done. Actual learning requires that you do those things.”

“There are those who make things happen, there are those who watch things happen and there are those who say 'what happened?”

“There are three types of people in this world: those who make things happen, those who watch things happen, and those who wonder what happened.”

“Innovation comes from those who see things that other don’t.”

“This power of attention is that which perhaps more than any thing else distinguishes those who do great things from those who can do nothing well.”

“You see, some things I can teach you. Some you learn from books. But there are things that, well, you have to see and feel.”

“They who study mathematiks only to fix their minds, and render them the steadyer to apply to all other things, as there are many who profess to do, are as wise as those who think by rowing boats, to learn to swim.”

“I want to learn more and more to see as beautiful what is necessary in things, then I shall be one of those who make things beautiful. Amor fati: let that be my love from henceforth!”

“The first thing I learned at school was that some people are idiots; the second thing I learned was that some are even worse.”