Leadership is about making the tough decisions when no one else will.
The function of a system of hypotheses is to warn us beforehand what will be our experience—to enable us to make accurate predictions.
永远不要停止学习,因为世界永远不会停止变化。
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of universal history.