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。
"Every city has a sex and an age which have nothing to do with demography."
意识不是一种事物,而是一个过程。
We are all in the gutter, but some of us are looking at the stars.