和平不是免费的，需要不断努力维护。
A poet is a nightingale, who sits in darkness and sings to cheer its own solitude with sweet sounds.
诗人是一只夜莺，坐在黑暗中用甜美的声音歌唱来鼓舞自己的孤独。
The design of a system should be guided by the principle of least surprise, where the behavior of components is intuitive and predictable.
写作的行为是一种勇气的行为，是与自我的对抗。