וְיֹֽשְׁבֵיהֶן֙ קִצְרֵי־יָ֔ד חַ֖תּוּ וָבֹ֑שׁוּ הָי֞וּ עֵ֤שֶׂב שָׂדֶה֙ וִ֣ירַק דֶּ֔שֶׁא חֲצִ֣יר גַּגּ֔וֹת וּשְׁדֵמָ֖ה לִפְנֵ֥י קָמָֽה׃
Therefore their inhabitants were of small power, They were dismayed and confounded; They were as the grass of the field, And as the green herb, As the grass on the housetops, And as a field of corn before it is grown up.
Read kabbalistic (mystical) interpretation of Isaiah 37:27: and classical mystical sources.