"The power of words is immense, but it is also fragile and easily misused."

The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.

战胜竞争对手的唯一方法，就是停止试图战胜竞争对手。

可持续发展需要在经济增长与环境保护之间取得平衡。