The speaker reflects on their appreciation of being born in New England, suggesting that the region's heritage and identity are invaluable. They recognize the unique qualities that define New England, embracing its character, which is marked by both firmness and integrity. This realization has become particularly poignant for the speaker recently, as they have felt a deeper connection to their roots.
The mention of "sternness and uncompromising opinions" highlights the strong values associated with the area, which the speaker views as deeply positive. Their fondness for New England signifies a sense of pride in its commitment to goodness and nobility, indicating that their upbringing in this environment has left a lasting impact on their identity.