It can be analyzed from the following three aspects:

1. "Sweeping the world" and "sweeping a house" are two types of problems of different natures, and there is no necessary connection between them. Big things are not equal to the sum of small things. (You can use the contradictory viewpoints of different natures in philosophy to analyze and demonstrate from the nature of things. You can also give examples of concentrating on research and ignoring the details of life, and starting from the subjective and objective aspects of people. Analyze based on conditions. Factual argument)

2. Human life and energy are limited, and people who "sweep the world" do not have more time and energy to "sweep a house". Einstein can be cited as an example Indulge in science with Chen Jingrun

3. Being stuck on small things often limits people's vision of problems and stifles creative thinking. (A counterexample can be given, and the analysis can be started from the perspective of human thinking. )