When our life is a continuous trial, the moments of respite seem only to substitute the heaviness of dread for the heaviness of actual suffering; the curtain of cloud seems parted an instant only that we may measure all its horror as it hangs low, black, and imminent, in contrast with the transient brightness; the waterdrops that visit the parched lips in the desert bear with them only the keen imagination of thirst.

The Works of George Eliot: Scenes of clerical life (ed. 1878)