In the expert from "self reliance" what does the quote " a foolish consistency is the hobgoblin of little minds"?

In the expert from "Self Reliance", the quote " a foolish consistency is the hobgoblin of little minds" means that people should abandon the idea to act in accordance with society ideas and expectations. In addition, a person has no to be consistent with his / her beliefs, feeling or judgements during his/her life.

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.

i don't really know the circumstances. i personally think not due to it not being fair for all parties and how hated i'd become if i thought it was a good thing.