Cross reference
Acts 11:9
9 But a voice answered the second time out of heaven, What God hath cleansed, make not thou common.
Acts 15:9
9 and he made no distinction between us and them, cleansing their hearts by faith.
Hebrews 9:13-14
13 For if the blood of goats and bulls, and the ashes of a heifer sprinkling them that have been defiled, sanctify unto the cleanness of the flesh:
14 how much more shall the blood of Christ, who through the eternal Spirit offered himself without blemish unto God, cleanse your conscience from dead works to serve the living God?
Acts 10:15
15 And a voice `came' unto him again the second time, What God hath cleansed, make not thou common.
Acts 10:28
28 and he said unto them, Ye yourselves know how it is an unlawful thing for a man that is a Jew to join himself or come unto one of another nation; and `yet' unto me hath God showed that I should not call any man common or unclean:
Acts 10:34-35
34 And Peter opened his mouth and said, Of a truth I perceive that God is no respecter of persons:
35 but in every nation he that feareth him, and worketh righteousness, is acceptable to him.
1 Timothy 4:5
5 for it is sanctified through the word of God and prayer.