וַיֹּאמְר֖וּ לֹ֣א נִשְׁתֶּה־יָּ֑יִן כִּי֩ יוֹנָדָ֨ב בֶּן־רֵכָ֜ב אָבִ֗ינוּ צִוָּ֤ה עָלֵ֙ינוּ֙ לֵאמֹ֔ר לֹ֧א תִשְׁתּוּ־יַ֛יִן אַתֶּ֥ם וּבְנֵיכֶ֖ם עַד־עוֹלָֽם׃
But they said: ‘We will drink no wine; for Jonadab the son of Rechab our father commanded us, saying: Ye shall drink no wine, neither ye, nor your sons, for ever;
Read kabbalistic (mystical) interpretation of Jeremiah 35:6: and classical mystical sources.