Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.
Sustainability isn't an option; it's a necessity for the future of our planet.
历史不是过去——它是我们组织对过去无知的方法。
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
领导力不是掌控,而是照顾你负责的人。