עַד־מָ֣ה יְ֭הוָה תִּסָּתֵ֣ר לָנֶ֑צַח תִּבְעַ֖ר כְּמוֹ־אֵ֣שׁ חֲמָתֶֽךָ׃
How long, O LORD, wilt Thou hide Thyself for ever? How long shall Thy wrath burn like fire?
Read kabbalistic (mystical) interpretation of Psalms 89:47: and classical mystical sources.