The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
抽象的力量在于它允许我们忽略不相关的细节，专注于问题的本质方面。
你能做的最好的投资就是投资自己。
The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.
没有青春的爱情有何滋味？没有爱情的青春有何意义？