The world of the happy is quite another than that of the unhappy.
相信一个人不仅仅是个人,这是多么危险的想法。
对别人有利的事就去做,对别人不利的事就停止。
The future depends on what you do today.
计算理论的美在于其抽象和概括的能力,将具体问题转化为通用解决方案。
Optimism is not just a trait; it's a skill that can be cultivated.