Which preposition to use with fickles

as Occurrences 15%

"Are you as fickle as ever, then, mon cher?"

in Occurrences 4%

He was fickle in his infallibility, but he had the firmest faith that he was working for the peace of the world and above all for the glory of the United States.

of Occurrences 3%

The red men were fickle of temper, and large bodies could not be kept together for a long campaign, nor, indeed, for more than one special stroke; the only piece of strategy any of their chiefs showed was Cornstalk's march past Dunmore to attack Lewis; but their tactics and discipline in the battle itself were admirably adapted to the very peculiar conditions of forest warfare.

than Occurrences 3%

The fact that, only a year later, Byron suddenly became the popular favorite, shows how correctly Scott had judged himself and the reading public, which was even more fickle than usual in this emotional age.

by Occurrences 1%

Perhaps I am a little fickle by nature, and this disposition, developed under the influence of the barren, empty, worthless sentiments I met with in the world,this might have dried up my heart and corrupted it altogether; in which case Aniela would have to pay for the sins of others.

Which preposition to use with  fickles