Reference for Bava Kamma 33:13

מתני׳ <big><strong>כיצד</strong></big> הרגל מועדת לשבר בדרך הלוכה הבהמה מועדת להלך כדרכה ולשבר

Whoever is occupied with [the study of] the law and with [deeds of] charity, is worthy of the inheritance of two tribes,<span class="x" onmousemove="('comment',' [Joseph and Issachar: the former is compared to an ox (Deut. XXXIII, 17) and the latter to an ass (Gen. XLIX, 14).] ');">¹⁰</span>

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