Ephesians 5:8, 14-15
Ephesians 5:8 ASV
for ye were once darkness, but are now light in the Lord: walk as children of light
Ephesians 5:14-15 ASV
Wherefore he saith, Awake, thou that sleepest, and arise from the dead, and Christ shall shine upon thee. Look therefore carefully how ye walk, not as unwise, but as wise