Efésios 5:9

The fruit of the light is those qualities that characterize God’s life (i.e., the fruit that the Spirit produces). The three qualities mentioned here are the opposite of the fruit of darkness (Ephesians 4:18-19). If the child of light does not walk in the light, he will not bear much of the fruit of the light (cf. John 15:1-6). He might even be outwardly indistinguishable from a child of darkness (cf. Matthew 13:24-30).