War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
可持续发展不仅仅是保护树木;它关乎确保自然和人类共同繁荣的未来。
实验室是一个失败只是进步的另一个词的地方。