{Are ye now perfected in the flesh?} (
un sarki
epiteleisthe?). Rather middle voice as in  1Pe 5:9 , finishing
of yourselves. There is a double contrast, between enarxamenoi
(having begun) and epiteleisthe (finishing) as in  2Co 8:6  Php
1:6 , and also between "Spirit" (pneumati) and flesh (sarki).
There is keen irony in this thrust.