The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
You have to be willing to adapt, or you'll be left behind.
译文:问题刚冒头时解决很容易,等到严重了再补救就难了。
Innovation is not just about new products; it's about rethinking the entire customer experience.