Pirkei Avot §avot_01_01: Moses received the Torah at Sinai and transmitted it to Joshua, Joshua to the...

Moses received the Torah at Sinai and transmitted it to Joshua, Joshua to the elders, and the elders to the prophets, and the prophets to the Men of the Great Assembly. They said three things: Be patient in [the administration of] justice, raise many disciples and make a fence round the Torah.