Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs,flutter and fall there with a sigh.
夏天的飞鸟，飞到我窗前唱歌，又飞去了。秋天的黄叶，他们没有什麽可唱的，只是叹息一声，飞落在那里。
Loneliness is not a lack of company, but a lack of purpose.
恐惧只是我们对自己讲的故事。
每个算法都讲述了一个故事，一个从问题到解决方案的步骤叙述。