לֹ֧א אֲגָרְשֶׁ֛נּוּ מִפָּנֶ֖יךָ בְּשָׁנָ֣ה אֶחָ֑ת פֶּן־תִּהְיֶ֤ה הָאָ֙רֶץ֙ שְׁמָמָ֔ה וְרַבָּ֥ה עָלֶ֖יךָ חַיַּ֥ת הַשָּׂדֶֽה׃
I will not drive them out from before thee in one year, lest the land become desolate, and the beasts of the field multiply against thee.
Read kabbalistic (mystical) interpretation of Exodus 23:29: and classical mystical sources.