CCC 1645

"The unity of marriage, distinctly recognized by our Lord, is made clear in the equal personal dignity which must be accorded to man and wife in mutual and unreserved affection." GS 49 # 2. Polygamy is contrary to conjugal love which is undivided and exclusive. Cf. FC 19.

Read the full chapter 3. The Sacraments at the Service of Communion ¶1533–1666

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