To be a refugee is to be a whisper in somebody else's world.
成为难民就是在别人的世界里成为一个低语。
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
在全球化经济中,文化差异是最大的挑战也是最大的机会。
A good mathematician is lazy, but in a constructive way.