For more, and abler operations are required to the Fabrick 

 and erection of Living creatures, than to their dissolution, 

 and plucking of them down : For those things that easily 

 and nimbly perish, are slow and difficult in their rise and 

 complement. 



William Harvey, Anatomical Exercitations concerning 

 the generation of living creatures, London, 1653, 

 Ex. XLi, p. 206. 



That discouraging Maxime, Nil dictum quod non 

 dictum prius, hath little room in my estimation, nor can 

 I tye up my belief to the Letter of Solomon ; I do not think, 

 that all Science is Tautology; these last Ages have shown 

 us, what Antiquity never saw; no, riot in a dream. 



Joseph Glanville, Scepsis Scientifica, an essay of the 

 vanity of dogmatizing, and confident opinion, London, 

 1 66 1, Chap. XXII. 



