永远不要低估人类精神的力量。
世界就是一切事实的总和。
In computing, invariants are ephemeral.
The truth is often hidden in the spaces between the words.
Some men can get results if kindly encouraged， but give me the kind that do things in spite of hell.
有些人如果好好鼓励，做得出一番事业；但是，还是做那种不论险阻艰辛都要干下去的汉子吧。
Batteries are not just devices; they are enablers of a cleaner future.