Perhaps unhappiness can stem from having only one perspective to play with.
你越把自己看作是一个教师、导师和教练，你就越能帮助你的团队成长。
You can't build a reputation on what you are going to do.
我们必须接受失望，因为它是有限的，但千万不可失去希望，因为它是无限的。