Reference for Shabbat 61:9
בא לפני שמאי א"ל כלום ראוי אני להיות כהן גדול והלא כתיב בתורה והזר הקרב יומת בא לפני הלל א"ל ענוותן הלל ינוחו לך ברכות על ראשך שהקרבתני תחת כנפי השכינה לימים נזדווגו שלשתן למקום אחד אמרו קפדנותו של שמאי בקשה לטורדנו מן העולם ענוותנותו של הלל קרבנו תחת כנפי השכינה:
reciting, And these are the garments which they shall make; a breastplate, and an ephod.<span class="x" onmousemove="('comment',' Ex. XXVIII, 4. ');"><sup>15</sup></span> Said he, 'For whom are these?' 'For the High Priest,' he was told. Then said that heathen to himself, 'I will go and become a proselyte, that I may be appointed a High Priest.' So he went before Shammai and said to him, 'Make me a proselyte on condition that you appoint me a High Priest.' But he repulsed him with the builder's cubit which was in his hand. He then went before Hillel, who made him a proselyte. Said he to him, 'Can any man be made a king but he who knows the arts of government? Do you go and study the arts of government!'<span class="x" onmousemove="('comment',' The laws appertaining to the functions of a High Priest. ');"><sup>16</sup></span>