The only limit to our realization of tomorrow is our doubts of today.
实现明天理想的唯一限制是我们今天的疑虑。
History is written by the survivors.
当大雪降下,冷风吹起,独行狼死,群聚狼生。
经济研究应旨在为现实世界的决策提供信息。
The world is a prison in which solitary confinement is preferable.