circumcised, &c.: in the flesh, but not in "ears" (Jeremiah 6:10), nor in "heart" (Jeremiah 4:4). Reference to Pentateuch (Leviticus 26:41; Leviticus 26:42.Deuteronomy 10:16; Deuteronomy 30:6). Elsewhere only in Ezekiel 44:7; Ezekiel 44:9,
with the uncircumcised. circumcised in uncircumcision: i.e. "circumcised [externally]who [are yet really] uncircumcised", as explained at the end of the next verse. Hence the contrast with the nations mentioned, which all practiced (external) circumcision (Romans 2:25-29).