Thus says the Lord GOD: "No foreigner, uncircumcised in heart or uncircumcised in flesh, shall enter My sanctuary, including any foreigner who is among the children of Israel.
Ezekiel 44:9
Surrounding context
44:8 And you have not kept charge of My holy things, but you have set others to keep charge of My sanctuary for you."
44:9 Thus says the Lord GOD: "No foreigner, uncircumcised in heart or uncircumcised in flesh, shall enter My sanctuary, including any foreigner who is among the children of Israel.
44:10 "And the Levites who went far from Me, when Israel went astray, who strayed away from Me after their idols, they shall bear their iniquity.