Lamentations 3:30 Kabbalah

יִתֵּ֧ן לְמַכֵּ֛הוּ לֶ֖חִי יִשְׂבַּ֥ע בְּחֶרְפָּֽה׃ (ס)

Let him give his cheek to him that smiteth him Let him be filled full with reproach.

Read kabbalistic (mystical) interpretation of Lamentations 3:30: and classical mystical sources.