Rule of 3 in conversation. To get to the real reason, ask a person to go deeper than what they just said. Then again, and once more. The third time’s answer is close to the truth.
动力学的方程在用变分法的语言表达时是完全的。
最成功的领导者是那些倾听多于说话,并从周围每个人身上学习的人。