Vice and Fortune argue about making man unhappy. While removing Fortune might do it, adding Vice will certainly make man unhappy. In the unhappiness game, Vice wins out over Fortune.
A Countryman found treasure and gave thanks to the ground. Fortune came asking why he thanked the ground when Fortune would have been otherwise blamed. Everyone is more or less master of his own fate.
A person slept by a well. Fortune, not wanting to be blamed for a drowning, saved the person from folly. Everyone is more or less master of his own fate.