What is the theme of 'On Running After one's Hat by GK Chesterton?

Every little thing of difficulty and inconvenience must be taken with an optimistic outlook in accordance to G.K. Chesterton. Any situation being an inconvenience is absolutely constructed by one's mind. In other Words, an inconvenience is an inconvenience only if the mind considers it to be so.

He gives an example of a particular friend of his who grumbled every day because his drawer would not open easily and would make noise. He explains that this is an inconvenience only because our mind considers that the drawer ''should, could and would'' open easily. If we rather take it as an adventure, there is no place for grumbling.

With a similar logic, he explains that there is nothing wrong with considering a flood a romantic and beautiful happening, for it is this mind or the sentiment that judges a situation often in a negative light. Yet, it is easy for us to mold our mind for optimistic considerations. "An adventure is an inconvenience rightly considered and an inconvenience is an adventure wrongly considered," in his own Words.