Norman Borlaug's 30th anniversary lecture at the Norwegian Nobel Institute in Oslo (September 8, 2000), as quoted in Ronald Bailey "Global Warming and Other Eco Myths: How the Environmental Movement Uses False Science to Scare Us to Death" (p. 59), 2002.
Joseph Addison (1860). “The Freeholder. Swift's notes on the Free-holder. The Plebian, by Sir Richard Steele, with The Old whig, by Mr. Addison. The Lover”, p.17
Joseph Addison, Henry George Bohn, Richard Hurd (1872). “The Works of the Right Honourable Joseph Addison: The Spectator. The Guardian. The Lover. The present state of the war, and the necessity of augmentation, considered. The late trial and conviction of Count Tariff. The Whig-examiner. The Freeholder”, p.421