LIB. 11.36,37. 253 



giores autem in iis tractanclis ad liunc finem fuimus, ut 

 homines paulatim discant et assuefiant de natura judi- 

 care per instantias crucis, et experimenta lueifera, et 

 non per rationes probabiles. 



XXXVII. 



Inter prcerogatwas imtantiarum ponemus loco de- 

 cimo quinto instantias divortii 2 ^ ; quae indicant separa- 

 tiones naturarum earum, qua? ut plurimum occurrunt. 

 Differunt autem ab instantiis, qua; subjunguntur in- 

 stantiis comitatus ; quia like indicant separationes na 

 turae alicujus ab aliquo concrete, cum quo ilia fainili- 

 ariter consuescit ; hae vero separationes naturae alicujus 

 ab altera natura. Differunt etiam ab instantiis crucis., 

 quia nihil determinant, sed monent tan turn de separa- 

 bilitate unius naturae ab altera. Usus autem earum 

 est ad prodendas falsas formas, et dissipandas leves 

 contcmplationes ex rebus obviis orientes ; acleo ut vel- 

 uti plumbum et pondera intellectui addant 26 . 



Exempli gratia : sint nature inquisitae quatuor na 

 turae iliac, quas contubernales vult esse Telesius 27 , et 

 tanquam ex eadem camera : viz. calidum, lucidum, 



ed to (the circumstances of anexpe- cerned. They appear at first sight 



riment being out of our power, and like the Instantiae Comitatus, but 



incapable of being varied at plea- are not ; for these latter are only 



sure), there is often a great want of indicative of the absence of some 



conclusive evidence. This holds Nature or quality in concretes ; i. e. 



of Agriculture, Medicine, Political in individuals with which they are 



Economy, &c. In these men de- usually connected : so Idiots would 



ceive themselves in consequence of be Instantiae Comitatus as lacking 



this, and think they are reasoning Reason a quality of Humanity : 



from fact and experience, when, in while these Instances of Divorce 



reality, they are only reasoning from are simply such cases as shew dis- 



a mixture of truth and falsehood.&quot; tinction between classes which are 



25 These &quot; Instances of Divorce&quot; near one another as light and 



are cases in which nothing is de- heat. 



termined (as in Crucial Instances), 26 r j; n i s phrase is the same as 



but in which the distinctions be- that in I. 104. 



tween Classes in Nature are dis- - 7 Cf. supra, I. 116, 



