赏赐并不能让人欢喜,责罚也不能让人畏惧。
I’m focused on what I need to do to be great.
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
质量是免费的。它不是礼物,但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。