Luke 3:4, 9-10

as it is written and forever remains written in the book of the words of Isaiah the prophet, “THE VOICE OF ONE SHOUTING IN THE WILDERNESS, ‘PREPARE THE WAY OF THE LORD, MAKE HIS PATHS STRAIGHT.

Even now the axe [of God’s judgment] is swinging toward the root of the trees; so every tree that does not produce good fruit is being cut down and thrown into the fire.” The crowds asked him, “Then what are we to do?”