不存在所谓的质量问题。
Innovation is not just about technology; it's about changing the way people think and live.
我有一个梦想，这个梦想值得我付出一切。
Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.