"I go on working for the same reason that a hen goes on laying eggs"

H. L. Mencken's quote is a metaphor for the idea of determination and devotion. He is recommending that, much like a hen continues to lay eggs regardless of the lack of benefit, people must continue to work despite the lack of acknowledgment or benefit. This quote is a reminder that hard work and devotion are vital for success, even if the results are not immediately noticeable. It also indicates that, just like a hen, people must continue to work even when the results are not immediately satisfying. This quote is a tip that effort and commitment are vital for success, and that it is very important to keep going even when the outcomes are not immediately visible. It is a pointer that, just like a hen, people should continue to work even when the results are not instantly gratifying.