Reference for Shabbat 302:17
ר' חנינא שכיבא ליה ברתיה לא הוה קא בכי עלה אמרה ליה דביתהו תרנגולתא אפיקת מביתך אמר לה תרתי תכלא ועיורא סבר לה כי הא דאמר רבי יוחנן משום רבי יוסי בן קצרתה שש דמעות הן שלש יפות ושלש רעות של עשן ושל בכי
And R. Nahman said: As for kohl,<span class="x" onmousemove="('comment',' An eye-salve. ');"><sup>30</sup></span> until the age of forty it improves [the eyesight], but thereafter, even if the paint-stick is as thick [with paint] as a weaver's pin, it may indeed stay [the ravages of time], but will certainly not improve [the eyesight]. What does he inform us? That the thicker the paint-stick the more beneficial it is. R. Hanina's daughter died, [but] he did not weep for her. Said his wife to him, 'Hast thou sent out a fowl from thy house?'<span class="x" onmousemove="('comment',' Was she nothing more to you than that? ');"><sup>31</sup></span> '[Shall I suffer] two [evils],' he retorted, 'bereavement and blindness?' He held as R. Johanan said in the name of R. Jose the son of a laundress: There are six kinds of tears, three being beneficial and three harmful: those caused by smoke, weeping,<span class="x" onmousemove="('comment',' In grief. ');"><sup>32</sup></span>