This quote characterizes jealous individuals as being simultaneously tormented by a frenzied devil and weighed down by a lackluster spirit. It implies that jealousy evokes both intense agitation and a sense of stagnation or unhappiness. It reflects the conflicting and burdensome nature of jealousy.
The quote suggests that the public is generally unforgiving and unlikely to give second chances to politicians or public figures who have previously made mistakes or faced criticism.