Which preposition to use with whimsies

of Occurrences 10%

of the kindly production of the juniper-berry (he was not, he owned, "constellated under Aquarius"), his antiquarianism of taste, and relish of the crotchets and whimsies of authorship, are as familiar to us almost as they were to the group he gathered round him Wednesdays at No. 4, Inner Temple Lane, where "a clear fire, a clean hearth, and the rigor of the game" awaited them.

about Occurrences 1%

Remember, I was not fighting for any whimsy about honour, nor even for the love of Elspeth.

behind Occurrences 1%

When you pass the inn at the end of the village you leave your favourite whimsy behind you; for you will meet no one who can share it.

Which preposition to use with  whimsies