By God's Assistance He by Degrees Arrives at the Truth
12 “But You, O Lord, shall endure for ever,” yet not for ever are You angry with us, because You commiserate our dust and ashes; and it was pleasing in Your sight to reform my deformity, and by inward stings You disturbed me, that I should be dissatisfied until You were made sure to my inward sight. And by the secret hand of Your remedy was my swelling lessened, and the disordered and darkened eyesight of my mind, by the sharp anointings of healthful sorrows, was from day to day made whole.
Source: Confessions (New Advent)