Rabbi Yishmael says: through thirteen methods the Torah is expounded: 1) A conclusion drawn from a minor or lenient law, to a major or more strict one. 2) A clarification based on identical words or terms in the Biblical text. 3) A principle derived from one Biblical text or from two Biblical texts. 4) A rule followed by a detail. 5) A detail followed by a rule. 6) A rule followed by a detail, which is in turn followed by a rule, may infer only what is similar to the detail. 7) When a general rule requires an explicit rule; when an explicit rule requires generalization. 8) Something included in a general rule, which was singled out to teach— was not singled out to teach about itself, but to teach (something new) concerning the rule as a whole. 9) Something that was included in a rule and was singled out in a case similar to its rule, —it was singled out to lessen not to increase the severity of the case. 10) Something that was included in a rule and was singled out in a case which is not similar to its rule, —it was singled out either to lessen or to increase the severity of the case. 11) Something that was included in a rule and was singled out for a new stipulation— does not revert to its rule unless Scripture restores it to its rule expressly. 12) A matter deduced from its context, or from a subsequent expression. 13) Also, two passages that contradict each other until a third passage reconciles them.
רַבִּי יִשְׁמָעֵאל אוֹמֵר בִּשְׁלשׁ עֶשְׂרֵה מִדּוֹת הַתּוֹרָה נִדְרֶֽשֶׁת בָּהֵן: מִקַּל וָחֹֽמֶר, וּמִגְּ֒זֵרָה שָׁוָה, מִבִּנְיַן אָב מִכָּתוּב אֶחָד, וּמִבִּנְיַן אָב מִשְּׁ֒נֵי כְתוּבִים, מִכְּ֒לָל וּפְרָט, וּמִפְּ֒רָט וּכְלָל, כְּלָל וּפְרָט וּכְלָל אִי אַתָּה דָן אֶלָּא כְּעֵין הַפְּ֒רָט, מִכְּ֒לָל שֶׁהוּא צָרִיךְ לִפְרָט וּמִפְּ֒רָט שֶׁהוּא צָרִיךְ לִכְלָל, כָּל דָּבָר שֶׁהָיָה בִּכְלָל וְיָצָא מִן הַכְּ֒לָל לְלַמֵּד לֹא לְלַמֵּד עַל עַצְמוֹ יָצָא אֶלָּא לְלַמֵּד עַל הַכְּ֒לָל כֻּלּוֹ יָצָא, כָּל דָּבָר שֶׁהָיָה בִּכְלָל וְיָצָא לִטְעֹן טֹֽעַן אֶחָד שֶׁהוּא כְעִנְיָנוֹ יָצָא לְהָקֵל וְלֹא לְהַחֲמִיר, כָּל דָּבָר שֶׁהָיָה בִּכְלָל וְיָצָא לִטְעֹן טֹֽעַן אַחֵר שֶׁלֹּא כְעִנְיָנוֹ יָצָא לְהָקֵל וּלְהַחֲמִיר, כָּל דָּבָר שֶׁהָיָה בִּכְלָל וְיָצָא לִדּוֹן בַּדָּבָר הֶחָדָשׁ אִי אַתָּה יָכוֹל לְהַחֲזִירוֹ לִכְלָלוֹ עַד שֶׁיַּחֲזִירֶֽנּוּ הַכָּתוּב לִכְלָלוֹ בְּפֵרוּשׁ, דָּבָר הַלָּמֵד מֵעִנְיָנוֹ וְדָבָר הַלָּמֵד מִסּוֹפוֹ, וְכֵן שְׁנֵי כְתוּבִים הַמַּכְחִישִׁים זֶה אֶת זֶה עַד שֶׁיָּבֹא הַכָּתוּב הַשְּׁ֒לִישִׁי וְיַכְרִֽיעַ בֵּינֵיהֶם:
Rabbi Yishmael says: through thirteen methods the Torah is expounded: 1) A conclusion drawn from a minor or lenient law, to a major or more strict one. 2) A clarification based on identical words or terms in the Biblical text. 3) A principle derived from one Biblical text or from two Biblical texts. 4) A rule followed by a detail. 5) A detail followed by a rule. 6) A rule followed by a detail, which is in turn followed by a rule, may infer only what is similar to the detail. 7) When a general rule requires an explicit rule; when an explicit rule requires generalization. 8) Something included in a general rule, which was singled out to teach— was not singled out to teach about itself, but to teach (something new) concerning the rule as a whole. 9) Something that was included in a rule and was singled out in a case similar to its rule, —it was singled out to lessen not to increase the severity of the case. 10) Something that was included in a rule and was singled out in a case which is not similar to its rule, —it was singled out either to lessen or to increase the severity of the case. 11) Something that was included in a rule and was singled out for a new stipulation— does not revert to its rule unless Scripture restores it to its rule expressly. 12) A matter deduced from its context, or from a subsequent expression. 13) Also, two passages that contradict each other until a third passage reconciles them.