First of all, having professional knowledge in a specific field does not mean being smart. For example, a sewer worker and an excavator worker are both veterans in their respective professional fields. Which is smarter? It's hard to say. Therefore, the criterion of discrimination should not be aimed at a specific field, but should be universal.

For example, looking at academic qualifications is not necessarily reliable. Let's get rid of dropouts like Gates and Jobs. Which is smarter, undergraduate or doctoral student? It's hard to say. Maybe an undergraduate did well in scientific research during his undergraduate course, but went to work directly after graduation and did not continue to do scientific research. Then must he be more stupid or smarter than a doctoral student? You can't say for sure.

There are also places of origin, for example, which are not reliable. Because of personal experience and circle of friends, many friends around me are from famous schools, and there are many students from famous schools at many parties, so in this case, the origin itself is not easy to distinguish. Although people who come out of prestigious schools generally feel smarter (see below for specific reasons), even those who come out of the same school will have easily recognizable differences in intelligence.

So what will I use to distinguish smart people? I have six standards, which are divided into three categories: basic indicators, realistic indicators and advanced indicators. The division of foundation, reality and high-level is not to explain the severity, but to facilitate everyone's understanding.