组合数学是不用计数的计数艺术。
含泪问花，花不回答，乱红的花瓣飞过秋千远去。
Writing is about making something seem real, not about making it real.
在商业中，如果你不前进，你就在落后。
关键在于政府支出的效果取决于经济状况。
The intelligent investor is a realist who sells to optimists and buys from pessimists.
质量不是一种行为，而是一种习惯。
知识的最大敌人不是无知，而是知识的幻觉。
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.
The best way to predict the future is to create it.