Proverbs 23:31 Kabbalah

אַל־תֵּ֥רֶא יַיִן֮ כִּ֪י יִתְאַ֫דָּ֥ם כִּֽי־יִתֵּ֣ן בכיס [בַּכּ֣וֹס] עֵינ֑וֹ יִ֝תְהַלֵּ֗ךְ בְּמֵישָׁרִֽים׃

Look not thou upon the wine when it is red, when it giveth its colour in the cup, When it glideth down smoothly;

Read kabbalistic (mystical) interpretation of Proverbs 23:31: and classical mystical sources.