Comments and mentions from HN threads:
Ask HN: Which non-technology book has influenced you the most and why?
Ask HN: Books on specific topics that have applied to many areas of your life?
charlysl: Because it completely changed the way I look at politics and society.
Ask HN: What books have most influenced the way you see the world?
Ask HN: Books you read in 2018?
amuresan: An interesting read. It was intended as a guide to the young price Cesare Borgia from his teacher Machiavelli. The secret to enjoying it is not to judge it by modern morality.