Which preposition to use with unsatisfying

in Occurrences 2%

Nor is Fame only unsatisfying in it self, but the Desire of it lays us open to many accidental Troubles which those are free from who have no such a tender Regard for it.

as Occurrences 1%

The creative spirit in him transformed his sufferings into delight; but he never outgrew them; and, when he died, the eyes of a child were closed upon a scene touched, it is true, here and there with rapturous pleasure, rich in oddity, and trembling with pathos, but, in the main, as bleak and unsatisfying as the wards of a workhouse.

Which preposition to use with  unsatisfying