The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
国家有贤德之士而不任用,不是贤德之士的过失,而应该是拥有这个国家的君主的羞耻。
出自《抱朴子·广譬》。想要获得人心,一定要先对自己真诚。之所以会失去人心,是因为先失去了自己的心。
The world breaks everyone, and afterward, many are strong at the broken places.