קַלִּ֤ים הָיוּ֙ רֹדְפֵ֔ינוּ מִנִּשְׁרֵ֖י שָׁמָ֑יִם עַל־הֶהָרִ֣ים דְּלָקֻ֔נוּ בַּמִּדְבָּ֖ר אָ֥רְבוּ לָֽנוּ׃ (ס)
Our pursuers were swifter Than the eagles of the heaven; They chased us upon the mountains, They lay in wait for us in the wilderness.
Read kabbalistic (mystical) interpretation of Lamentations 4:19: and classical mystical sources.