True leadership means making tough decisions today that will pay off decades later.
真正的领导力意味着在今天做出艰难的决定，而这些决定将在几十年后得到回报。
The method of psychology must be strictly controlled.
The reason why men enter into society is the preservation of their property.
技术可以放大优秀教学的效果，但无法替代糟糕的教学。