购买旧书,它们的词与新词相同,也可以去图书馆。
By used books. They have the same words as the new ones. Also libraries.
切勿用权力去压制你认为不利的意见,因为如果你发表意见时也会遭到压制。
True leadership is about serving others, not commanding them.
管理复杂性的关键在于关注组件之间的接口,而不是它们的实现。