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Happiness is as a butterfly which, when pursued, is always beyond our grasp, but which if you will sit down quietly, may alight upon you.
有时我们会为某些事情感到悲伤,而我们不愿意告诉别人我们为此感到悲伤。
如果你把自己看的很轻,你就会飞的更高!
The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.