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Users don't care about products,And care about what kind of value and honor your product can bring him.Altruism is an advanced self-interest.

Keep an optimistic attitude and turn every ray of sunshine into motivation.And care about what kind of value and honor your product can bring him.Keep an optimistic attitude and turn every ray of sunshine into motivation.

And care about what kind of value and honor your product can bring him.Know how to reflect on yourself and regard every setback as a stepping stone to growth;Zhuangzi and Keiko, Ichiro Honda and Takeo Fujisawa, Jobs and Cook.