I don’t need a reason to be great.
我不需要理由去变得伟大。
A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.
生活中闲言碎语在所难免,不必过分在意,做好自己即可。  
一本好书是最好的朋友,今天如此,永远如此。