Reference for Bava Metzia 168:9
כי הוה סליקנא מעיננא ליה במזייה כי הוה משתמטא ביניתא מיניה הוה אתי דמא יומא חד חזאי ריחשא דקא נפיק מאוניה חלש דעתאי איתחזי לי בחלמא אמר לי לא מידי הוא יומא חד שמעי בזילותא דצורבא מרבנן ולא מחאי כדבעי לי
They too prepared sixty kinds of pap for him, which he ate. One day she [his wife] said to her daughter, 'Go and see how your father is faring now.' She went, [and on her arrival] her father said to her, 'Go, tell your mother that our [wealth] is greater than theirs' [sc. of his father-in-law's house]. He then applied to himself the verse, <i>She is like the merchant's ships; she bringeth her food from afar</i>.<span class="x" onmousemove="('comment',' Prov. XXXI, 14. 'she' is referred to the Torah; for the sake of his learning, in the merit of which the seamen had been delivered, his 'food' — i.e. wealth — had been brought to him from afar. ');"><sup>9</sup></span>