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.

预测未来的最好方式就是创造未来

Can a man still be brave if he’s afraid. That is the only time a man can be brave.

The most dangerous stories are the ones we believe without question.

竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。