Ephesians 3:5

3:5 Now this secret was not disclosed to people in former generations as it has now been revealed to his holy apostles and prophets by the Spirit,

Ephesians 3:16

3:16 I pray that according to the wealth of his glory he may grant you to be strengthened with power through his Spirit in the inner person,

Ephesians 6:18

6:18 With every prayer and petition, pray at all times in the Spirit, and to this end be alert, with all perseverance and requests for all the saints.