城市的穷人就像树的根：看不见，但对生存至关重要。
The city's poor are like the roots of a tree: unseen, but essential to its survival.
时间是人类为了理解宇宙而创造的概念，但宇宙本身是永恒的。
The comfort of the rich depends upon an abundant supply of the poor.
人类天生善良，所以他犯罪是违背自己的意愿。
Writing is learning to die, learning to give everything away.
我不完美，但我始终是我自己。
The ethical implications of gene editing must be considered at every step.