Summary
This quote implies that throughout history, humans have primarily prioritized their own individual interests and ambitions, leading to a sorrowful outcome for society as a whole. It suggests that the lack of collective concern and consideration for others has contributed to conflict, inequality, and overall unhappiness in human history. The quote highlights the negative consequences of a self-centered mindset and can be seen as a critique of human nature and the societal structures that have emerged from this individualistic perspective.