Every schoolboy learns that, to reach a true conclusion, one must start with true premises and use valid logic. The lesson, unfortunately, is largely forgotten later in life. Most lack the intelligence, interest, or courage to apply the lesson rigorously. Many break or bend the rules to further their own agendas or careers. Others can only muster the will to follow the rules in some part or in some cases. Rare is the person who masters the lesson.
Hans-Hermann Hoppe has demonstrated the intellectual heights that can be reached by employing the lesson with a brilliant mind, fervent devotion to the truth, and unflagging moral courage. What follows is a brief account of how he set right the entire field of welfare economics.