“Trust is a fickle thing”
“A woman is an ever fickle and changeable thing.”
“...fortune was a fickle mistress.”
“A fickle heart is the only constant in this world”
“For, besides what has been said, it should be borne in mind that the temper of the multitude is fickle, and that while it is easy to persuade them of a thing, it is hard to fix them in that persuasion”
“Fame is a fickle food upon a shifting plate. ”