Philosophies (1910) "In Exile" pt. 7 (describing his part in discovering the life-cycle of the malaria parasite in 1897; cf. Oxford Dictionary of Quotations (1979) 77:1)
John Selden (1800). “The Table-talk: Of John Selden, Esq. Being His Sense of Various Matters of Weight and High Consequence; Relating Especially to Religion and State”, p.75
Abraham Lincoln, Don Edward Fehrenbacher (1977). “Abraham Lincoln, a Documentary Portrait Through His Speeches and Writings”, p.39, Stanford University Press