'In the Spirit' in the Bible

For he chose us in our union with Christ before the creation of the universe, that we might be holy and blameless in his sight, living in the spirit of love.

in whom ye also are builded together for a habitation of God in the Spirit.

which in other generation was not made known unto the sons of men, as it hath now been revealed unto his holy apostles and prophets in the Spirit;

And be renewed in the spirit of your mind;

and be not drunk with wine, in which is dissoluteness, but be filled in the Spirit,

Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;