Ezekiel 44:4-9 - Rules For Admission To The Temple
4 Then He brought me by way of the north gate to the front of the house; I looked, and behold, the glory and brilliance of the Lord filled the house of the Lord, and I fell face downward.
6 You shall say to the rebellious ones, to the house of Israel, ‘Thus says the Lord God, “Enough of all your repulsive acts, O house of Israel! 7 In that you brought in foreigners, uncircumcised in heart and uncircumcised in flesh, to be in My sanctuary to pollute and profane it—My house—when you offered My bread, the fat, and the blood; and
9 ‘Thus says the Lord God, “No foreigner uncircumcised in heart and flesh, of all the foreigners who are among the sons of Israel, shall enter My sanctuary.