领导力在于因你的存在而使他人变得更好，并确保这种影响在你不在时仍持续。

The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute that it takes me to compose this sentence, thousands of animals are being eaten alive, many others are running for their lives, whimpering with fear, others are slowly being devoured from within by rasping parasites, thousands of all kinds are dying of starvation, thirst, and disease.

The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.

In life, unlike chess, the game continues after checkmate.

The system is not a system of production, but a system of consumption.

The rise of China represents the most significant challenge to the liberal international order since the end of the Cold War.