Happiness is not the absence of problems, but the ability to deal with them.
幸福不是没有问题，而是有能力处理它们。
The novel is a great discovery: far greater than Galileo's telescope or somebody else's wireless.
生活就是斗争。
Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.
一切流动不息。