Duty. That which sternly impels us in the direction of profit, along the line of desire.

Summary

This quote suggests that duty, or the responsibilities we have, strongly motivates us to pursue profitable outcomes in alignment with our desires. It implies that our sense of duty compels us to pursue actions that not only benefit us but also cater to our personal preferences. In other words, this quote implies that duty functions as a driving force that propels us towards achieving both success and fulfillment by choosing paths that appease our desires while also generating profit.