לָנֻ֨ס שָׁ֜מָּה רוֹצֵ֗חַ אֲשֶׁ֨ר יִרְצַ֤ח אֶת־רֵעֵ֙הוּ֙ בִּבְלִי־דַ֔עַת וְה֛וּא לֹא־שֹׂנֵ֥א ל֖וֹ מִתְּמ֣וֹל שִׁלְשׁ֑וֹם וְנָ֗ס אֶל־אַחַ֛ת מִן־הֶעָרִ֥ים הָאֵ֖ל וָחָֽי׃
pour servir de refuge au meurtrier qui ferait mourir son prochain sans préméditation et sans avoir été précédemment son ennemi, afin qu’en se réfugiant dans une de ces villes, il pût sauver sa vie.
Makkot
Rabbi Yitzhak said: "What is the [meaning of] the verse: 'And he will flee to one of these cities and live' (Deuteronomy 4:42)? We make him [the manslayer] something that can be his livelihood [in the city of refuge]."
Makkot
It was taught [by a tanna]: "A student that is exiled—they exile his teacher with him." As it is said, "and live" (Deuteronomy 4:42)? We make him [the manslayer] something that can be his livelihood [in the city of refuge]. Rabbi Z'eira said: "From here [we learn] that one should not teach a student that is not discerning."
Bava Kamma
The fact that [a blind person is no in the category of liable to court-ordered deaths] is learned through a comparison between the words "Murderer" and "Murderer" from [the laws of those who are] liable to be exiled. ...