72. Warnings WHEN Heaven sends sorrow, Warnings go first, Lest it should burst With stunning might On souls too bright To fear the morrow. Can science bear us To the hid springs Of human things? Why may not dream, Or thought's day-gleam, Startle, yet cheer us? Are such thoughts fetters, While Faith disowns Dread of earth's tones, Reeks but Heaven's call, And on the wall Reads but Heaven's letters? Between Calatafimi and Palermo . February 12, 1833.