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。
The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
The theatre is a place where we can confront our demons in public.
心是脆弱的，但它也是我们最伟大力量的源泉。