我们这个时代的巨大挑战是创建一个既公正又可持续的世界秩序。
The great challenge of our time is to create a world order that is both just and sustainable.
幸福是一种选择,而不是结果。
"The most powerful stories are those that ask questions, not those that give answers."
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The secret of change is to focus all of your energy not on fighting the old, but on building the new.