1, independent variable?

Argument is the author's view, viewpoint and proposition on a certain problem or a certain kind of event in the article, which requires correctness, distinctiveness and pertinence. For example, in the article "Persistence is Victory", persistence is an important condition for a person to achieve academic or career success.

success belongs to the persevering

People all want to achieve something in their careers or studies, but only some people have won, while quite a few people have fallen into the pain of failure. Why?

As the saying goes, "success comes naturally." It stands to reason that those losers can completely taste the joy of victory, but they often lack a necessary condition for victory, that is, persistence. This is the reason why they failed. The meaning of "persistence" has been implied in the above proverb. Obviously, if a person wants to achieve academic or career success, in addition to personal efforts, persistence is also very important to achieve this goal.