'In the Spirit' in the Bible

And he shall go before his face in the spirit and power of Elijah, to turn the hearts of the fathers to the children, and the disobedient to walk in the wisdom of the just; to make ready for the Lord a people prepared for him .

And he came in the Spirit into the temple: and when the parents brought in the child Jesus, that they might do concerning him after the custom of the law,

And Jesus, full of the Holy Spirit, returned from the Jordan, and was led in the Spirit in the wilderness