Alfred Tennyson (1809–1892), British poet. In Memoriam, cto. 73, st. 1 (1850).
The lines found an echo in the words attributed to the South African statesman and business magnate, Cecil Rhodes, on the day of his death in 1902: "So much to do, so little done." Quoted in Lewis Michell, Life of Rhodes vol. 2, ch. 39 (1910).