The big story is revealed in the small story, and the wisdom of existence is shown in the details. The real success does not come from the panacea, the right way, but from a key held by each of us. That is, paying attention to every detail of the living environment Implement every detail, make small things small, and go through the details. The author of this passage believes that the key to success is? ['Have a great strategy.', 'Looking for inspiration.', 'Focus on the living environment.', 'Grasp the details.']