处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
People work better when they know what the goal is and why.It is important that people look forward to coming to work in the morning and enjoy working.
The best mathematics is timeless.
The truth is, we are all capable of great evil and great good. It is the choices we make that define us.
"You don't forget the face of the person who was your last hope."
True sustainability is about harmony with nature.