אִשָּׁ֨ה זֹנָ֤ה וַחֲלָלָה֙ לֹ֣א יִקָּ֔חוּ וְאִשָּׁ֛ה גְּרוּשָׁ֥ה מֵאִישָׁ֖הּ לֹ֣א יִקָּ֑חוּ כִּֽי־קָדֹ֥שׁ ה֖וּא לֵאלֹהָֽיו׃
They shall not take a woman that is a harlot, or profaned; neither shall they take a woman put away from her husband; for he is holy unto his God.
Read kabbalistic (mystical) interpretation of Leviticus 21:7: and classical mystical sources.