But what do you mean by "your labor"? How could you not have a monopoly on your labor? >Would also include inventions. Inventions don't exist because of a sin

But what do you mean by "your labor"? How could you not have a monopoly on your labor? >Would also include inventions. Inventions don't exist because of a single person. In most cases there is only one or a few workable solutions. Most patentable things are invented multiple times.