לֹ֤א הֶאֱמִ֙ינוּ֙ מַלְכֵי־אֶ֔רֶץ וכל [כֹּ֖ל] יֹשְׁבֵ֣י תֵבֵ֑ל כִּ֤י יָבֹא֙ צַ֣ר וְאוֹיֵ֔ב בְּשַׁעֲרֵ֖י יְרוּשָׁלִָֽם׃ (ס)
The kings of the earth believed not, Neither all the inhabitants of the world, That the adversary and the enemy would enter Into the gates of Jerusalem.
Read kabbalistic (mystical) interpretation of Lamentations 4:12: and classical mystical sources.