Whatever its faults may be - and it is for our successors to judge of these - there is this to be said in its favour: that it is in nowise dogmatic. The eloquence of facts appeals to the scientific mind nowadays much more than the assertion of crude and unproven principles.
The death of Barbara, five days after her coronation (7th of December 1550), under very distressing circumstances which led to an unproven suspicion that she had been poisoned by Queen Bona,.compelled Sigismund to contract a third purely political union with the Austrian archduchess Catherine, the sister of Sigismund's first wife Elizabeth, who had died within a twelvemonth of her marriage with him, while he was still only crown prince.
An unproven hypothesis of the existence of things can be useful.
One school of thought held that he was a victim of unproven rumors about Billy Langstrom's accident, spread to Denver by Billy's high school friends.