The quote ""If anyone thirsts, let him come to Me and drink"" is a reference to . Meyer explains that "there is no exactly corresponding passage, indeed, in Scripture" for the words "out of his heart will flow rivers of living water". He suggests that "it is simply a free quotation harmonizing in thought with parts of various passages, especially , and ". The writer himself notes, explaining the figurative expressions of Christ, that Jesus was speaking of the , whom those believing in him would receive (later): "the Spirit had not yet been given, because Jesus was not yet glorified" (). Literally, the text states "the (Holy) Spirit was not yet", but this "strange and startling statement" is best read as "the Holy Ghost (Spirit) was not yet given; the word "given" is not in the original text; but is very properly supplied, as it is in the Vulgate Latin, Syriac, and Persic versions. The Arabic version renders it, "for the Holy Ghost was not yet come".