כִּ֣י תִֽהְי֔וּ כְּאֵלָ֖ה נֹבֶ֣לֶת עָלֶ֑הָ וּֽכְגַנָּ֔ה אֲשֶׁר־מַ֖יִם אֵ֥ין לָֽהּ׃
For ye shall be as a terebinth whose leaf fadeth, And as a garden that hath no water.
Read kabbalistic (mystical) interpretation of Isaiah 1:30: and classical mystical sources.