Here’s a detailed comment on the given text:

The text seems to discuss the limitations and challenges faced by humans in their attempts to improve the world. It suggests that despite the best efforts of individuals and societies, the world remains largely unjust and corrupt. However, the text also highlights the importance of progress made in modern times through the development of friendlier skills and more efficient systems.

The speaker asserts that humans have developed friendlier skills in modern times, which allows them to accomplish activities that were previously impossible. These skills enable them to address issues such as corruption, which has historically plagued governments and institutions. While acknowledging the improvements brought by modern systems, the text also acknowledges the existence of corruption in the world, suggesting that it may be an inevitable aspect of human society.

Despite these challenges, the text expresses hope that humanity will continue to make progress towards a more just and equitable society. It encourages individuals to work towards this goal, recognizing that small steps taken now can lead to significant improvements over time. Overall, the text presents a nuanced view of human progress, highlighting both the successes and setbacks experienced by humanity in its efforts to create a better world.