Science 5 " …he [Leeuwenhoek] never made a drawing until hundreds of peeps showed him that, under given conditions, he would always see exactly the same thing." DeKruif, Microbe Hunters.
Science 5 "…at this time, in the middle of the seventeenth century, great things were astir in the world…rare men were thumbing their noses at almost everything that passed for knowledge… 'will no longer take Aristotle’s say-so, nor the Pope’s say-so…will trust only the perpetually repeated observations of' our own eyes and the careful weighings of our scales; we will listen to the answers experiments give us and no other answers.' ” DeKruif, Microbe Hunters.
Science 25 "He [Spallanzani] now skipped stones over the water in earnest, and wrote a scientific paper on the mechanics of skipping stones." DeKruif, Microbe Hunters.
Science 28 Spallanzani: "But wait! If I set out to prove something I am no real scientist—I have to learn where the facts lead me—I have to learn to whip my prejudices." DeKruif, Microbe Hunters.
Science 46 Spallanzani: "We Westerners through the new science of ours, are going to conquer the seemingly unavoidable, the apparently eternal torture and suffering of man…." DeKruif, Microbe Hunters.