沉默不是某物的缺失，而是一切的存在。
The best way to find the truth is to see it for yourself.
The ocean connects us all, and its health is a shared responsibility.
Life is what happens when you're busy making other plans.
Leadership is about making tough decisions today that will benefit the next generation.
Interview with Infinity Plus (February 2001)
数学中最深刻的发现往往来自最简单的观察。
I don't think you can ever really know who you are until you're tested.