וַיְהִ֣י ׀ כְּמִשְׁלֹ֣שׁ חֳדָשִׁ֗ים וַיֻּגַּ֨ד לִֽיהוּדָ֤ה לֵֽאמֹר֙ זָֽנְתָה֙ תָּמָ֣ר כַּלָּתֶ֔ךָ וְגַ֛ם הִנֵּ֥ה הָרָ֖ה לִזְנוּנִ֑ים וַיֹּ֣אמֶר יְהוּדָ֔ה הוֹצִיא֖וּהָ וְתִשָּׂרֵֽף׃
約過了三個月，有人告訴猶大說：「你的兒媳婦他瑪行了淫，而且看哪，她因淫亂懷了孕。」猶大說：「把她拉出來燒死！」
Akeidat Yitzchak
This prohibition is second in importance only to the wrongful taking of a life. Adultery, a common method of creating such life, is therefore prohibited on pain of death of both partners in that crime.