G1635–ἑκών–hekōn

For every living thing was put under the power of change, not by its desire, but by him who made it so, in hope

ἑκοῦσα hekousa “willingly”

But if I do it gladly, I have a reward; and if not, I am under orders to do it.

ἑκὼν hekōn “willingly”