任务必须是困难的，因为只有困难才能激发高尚的心灵。
The task must be made difficult, for only the difficult inspires the noble-hearted.
年轻时你以为会有很多朋友。但随着年龄增长，你意识到一只手就能数得过来。
Brand upgrading is the only way for independent brands.
Poverty is not inevitable; it's a solvable problem.
创新不是对每件事都说“是”，而是对除最关键功能外的一切说“不”。
让我们团结起来，为祖国的独立和自由而战。
In mathematics, you don't understand things. You just get used to them.