Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
设定新目标或做新梦想永远不会太老。
我们需要犯错的自由，承认错误的勇气，以及从中学习的智慧。
Innovation is seeing what everybody has seen and thinking what nobody has thought.
