{Sons of light} (huioi ph(9374)os), {sons of day} (huioi
h(886d)eras). Chiefly a translation Hebraism (Deissmann, _Bible
Studies_, pp. 161ff.). Cf. words of Jesus in  Lu 16:8  and Paul
in  Eph 5:9 . He repeats the same idea in turning from "ye" to
"we" and using 
uktos (night) and skotous (darkness),
predicate genitives.