The quote highlights essential qualities needed for survival in a challenging and uncivilized environment. Traits like restraint, soberness, mature thinking, and selflessness are portrayed as vital for living in a world filled with dangers. These characteristics are not just personal virtues but necessary adaptations to a harsh reality.

Wells emphasizes that such qualities are a response to the unforgiving nature of life, with 'dourness' signifying humanity's acknowledgment of the struggles inherent in existence. This tribute to an unconquered nature underscores the complexities of human life, where adversity shapes character and moral obligations.