כִּ֤י עֶזְרָא֙ הֵכִ֣ין לְבָב֔וֹ לִדְר֛וֹשׁ אֶת־תּוֹרַ֥ת יְהוָ֖ה וְלַעֲשֹׂ֑ת וּלְלַמֵּ֥ד בְּיִשְׂרָאֵ֖ל חֹ֥ק וּמִשְׁפָּֽט׃ (ס)
에스라가 여호와의 율법을 연구하여 준행하며 율례와 규례를 이스라엘에게 가르치기로 결심하였었더라
Pirkei Avot
Shammai used to say: make your [study of the] Torah a fixed practice; speak little, but do much; and receive all men with a pleasant countenance.