In Herman Melville's 'Moby-Dick,' the author reflects on the challenges of life, suggesting that obstacles often overshadow opportunities. The quote conveys the idea that people frequently encounter difficulties (headwinds) rather than easy progress (winds from astern). This perspective highlights the universal struggle against adversity that many face in their journeys.

Melville's mention of the "Pythagorean maxim" implies that adhering to certain principles or truths can help one navigate these challenges more effectively. Ultimately, the quote serves as a reminder that while hardships are common, maintaining a strong foundation can aid in overcoming life's storms.