Yesterday is history.Tomorrow is mystery. But today is a gift.That is why it's called the present .昨天是历史，明天是谜团，只有今天才是天赐的礼物。
The author devoted 30 years research to how creative people live and work. The author mainly tells eight points .Creative people have a great deal of physical energy ,but they are also often quiet and at rest.They tend to be smart yet native at the same time. They alternate between imagination and deep-rooted sense of reality.They tend to be both extroverted and introverted.Creative people are humble and pround at the same time. They are both rebellious and conservative.Most them are very passionate about their work,yet they can be extremely objective about it as well.Their openness and sensitivity often exposes them to suffering and pain,yet also to a great deal of enjoyment.