ἀρκετὸν τῇ ἡμέρᾳ ἡ κακία αὐτῆς → sufficient unto the day is the evil thereof, each day has enough trouble of its own, there is no need to add to the troubles each day brings (Matthew 6:34)
Ar. πυγή, ἡ, ὄρρος, ὁ, πρωκτός, ὁ, V. γλουτός, ὁ (Soph., Fragment).