Ephesians 2:2; Ephesians 3:5; Ephesians 3:10; Ephesians 5:8

2 Wherein in time past ye walked according to the course of this world, according to the prince of the power of the air, the spirit that now worketh in the children of disobedience:
5 Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;
10 To the intent that now unto the principalities and powers in heavenly places might be known by the church the manifold wisdom of God,
8 For ye were sometimes darkness, but now are ye light in the Lord: walk as children of light: