Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Leadership means making tough decisions today that will pave the way for a better tomorrow.
最成功的领导者是那些足够谦逊,知道自己并非无所不知的人。
唯一真正的智慧在于知道你一无所知。
预测未来的最好方法是创造未来。