[Heracleon says] that those found in the temple selling oxen and sheep and doves, and the money-changers sitting, represent those who give nothing away free but suppose the entrance of foreigners into the temple to be a matter of merchandise and profit. They furnish the sacrifices for the service of God for the sake of their own profit and greed.… The…

[Heracleon] is not wrong when he says that "the water that the Savior gives is of his spirit and power." And he has explained the statement "But he shall not thirst forever" as follows with these very words: "For the life he gives is eternal and never perishes, as, indeed, does the first life that comes from the well; the life he gives remains. For the…