Summary
This quote suggests that nationalism is a foolish and self-centered belief, akin to a rooster proudly proclaiming from its own waste. It implies that nationalism is a narrow-minded ideology that celebrates one's own country or culture while dismissing or ignoring the perspectives and contributions of others. The metaphor highlights the irrationality and arrogance of nationalism, emphasizing its lack of wider perspective and tendency to reinforce divisiveness instead of fostering understanding and cooperation on a global scale.