Ephesians 4:18
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
Ephesians 6:5
Servants, be obedient to them that are your masters according to the flesh, with fear and trembling, in singleness of your heart, as unto Christ;
Ephesians 6:6
Not with eyeservice, as menpleasers; but as the servants of Christ, doing the will of God from the heart;