sorry, if told something unpleasant. Allow a question - you never heard about Giges's ring?
https://en.wikipedia.org/wiki/Ring_of_Gyges
Gigas in this legend directly says that the person happy and glad with life doesn't need magic and wonders.
Than more man dissatisfied with the life, that high probability that having received a wonder he will make something bad.
In addition, he says that honest man has no application for invisibility, and throws out a ring.....
....but, after a while, it doesn't maintain temptation and refinds a ring. Further, it seducing the queen, kills the king and becomes the first supervillain