Psalms 6:3 - Ellicott's Commentary On The Whole Bible

But thou, O Lord, how long? — Comp. Psalms 90:13. This is “belief in unbelief.” Domine quousque was Calvin’s motto. The most intense grief, it was said, could never extract from him another word. In its national form this faith amid despair is shown in Zechariah 1:12. (Comp Revelation 6:10.)