אַל־תֵּ֥רֶא יַיִן֮ כִּ֪י יִתְאַ֫דָּ֥ם כִּֽי־יִתֵּ֣ן בכיס [בַּכּ֣וֹס] עֵינ֑וֹ יִ֝תְהַלֵּ֗ךְ בְּמֵישָׁרִֽים׃
זאָלסט ניט קוקן אױפֿן װײַן װי ער רױטלט זיך, װי ער שפּיגלט אין כָּוס זײַן פֿאַרב, װי ער גליטשט זיך גלאַטיק אַראָפּ.
Rashi
when he puts his eye on the cup, it goes smoothly Whoever is habitually drunk—all transgressions appear to him to be straight; all ways appear straight.
Rashi
on the cup Heb. בכוס. The masoretic text reads: בכיס, on the pocket; i.e., the drinker puts his eye on the cup, and the storekeeper puts his eye on this one’s pocket.