Luke 1:80 KJV

And the child grew, and waxed strong in spirit, and was in the deserts till the day of his shewing unto Israel.
Luke 1:80, King James Version

In context

79 To give light to them that sit in darkness and in the shadow of death, to guide our feet into the way of peace.

80 And the child grew, and waxed strong in spirit, and was in the deserts till the day of his shewing unto Israel.

Luke 2:40 And the child grew, and waxed strong in spirit, filled with wisdom: and the grace of God was upon him.
Mark 1:3 The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.