The way to be immortal (I mean not to die at all) is to have me for your heir. I recommend you to put me in your will and you will see that (as long as I live at least) you will never even catch cold.
Lord Byron (1788-1824), English poet. Letter, 23 March 1821
(published in Byron's Letters and Journals, vol. 8,
ed. by Leslie A. Marchand, 1973-81)