“Cato learned Greek at eighty; Sophocles
Wrote his grand Oedipus, and Simonides
Bore off the prize of verse from his compeers,
When each had numbered more than four-score years...
Chaucer, at Woodstock with the nightingales,
At sixty wrote the Chaucer Tales;
Goethe at Weimar, toiling to the last,
Completed Faust when eighty years were past.” by Henry Wadsworth Longfellow, "Morituri Salutamus"