没有力量的正义是徒劳的，没有正义的力量是暴政。

The pain you feel today will be the strength you feel tomorrow.

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

Never stop questioning—that’s where progress begins.

The study of topological phases of matter is not just about discovering new materials; it's about uncovering the fundamental principles that govern the quantum world.

我认为写真实生活很重要，即使它很艰难。

中国的崛起是21世纪最重要的地缘政治事件。