A philosophical problem has the form: "I don't know my way about."
"Books are the maps of human experience."
When you betray somebody else, you also betray yourself.
说话有分寸则少得罪人;行为有节制则少悔恨;爱慕有节制则要求少;快乐有节制则祸败少;饮食有节制则疾病少。
领导力在于做出今天艰难的决定,这些决定将为子孙后代带来益处。