John 3:25
"Then there arose a question between some of John’s disciples and the Jews about purifying."
Cross References (ranked by relevance)
And there were set there six waterpots of stone, after the manner of the purifying of the Jews, containing two or three firkins apiece.
I indeed baptize you with water unto repentance: but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Ghost, and with fire:
Of the doctrine of baptisms, and of laying on of hands, and of resurrection of the dead, and of eternal judgment.
It was therefore necessary that the patterns of things in the heavens should be purified with these; but the heavenly things themselves with better sacrifices than these.
The like figure whereunto even baptism doth also now save us (not the putting away of the filth of the flesh, but the answer of a good conscience toward God,) by the resurrection of Jesus Christ:
Which stood only in meats and drinks, and divers washings, and carnal ordinances, imposed on them until the time of reformation.
For laying aside the commandment of God, ye hold the tradition of men, as the washing of pots and cups: and many other such like things ye do.