可持续增长的关键是不断改进并适应变化的环境。
The darkest nights produce the brightest stars.
"A writer's duty is not to provide answers, but to ask the right questions that provoke thought and reflection."
因此，我决定只阅读那些被处决过或以某种方式冒过生命危险的人的著作。
The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.