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THE BEGINNINGS OF LIFE. 



53 



h ri 



J 4 



^nce 



' ^h 



^'■tificial] 



li 



o\v 



y prfj 



^yeiint 



i^st all the ci 



of 



duce equal effects; for to say otherwise is, by impli- 

 cation, to say that some force can present more or less 

 than its equivalent effect, which is to deny the per- 

 sistence of force. Hence those parts of an organism 

 which are by its habits of life exposed to like amounts 

 and like combinations of actions and reactions, must 

 develope alike ; while unlikeness of development must 

 as unavoidably follow unlikeness among these agencies. 

 And, this being so, all the specialities of symmetry, 

 ^o^pti and unsymmetry, and asymmetry which we have 



th that fuloe^ traced, are necessary consequences.' 



SO 



'hes, IcaveSj!: 

 ne handjaci 

 ■arts on thee 



many of tk; 

 fully accouGt. 

 the incideni' 



icy 



have bs: 



■ crrowth. 

 t is an 



It is impossible to ignore the general direction and 

 bearing; which the results of all the researches hitherto 

 referred to must have upon our modern conception of 

 ^Life." We have seen that in the minds of all scientific 

 men, the doctrine of the Persistence of Force, or of the 

 Conservation of Energy, as it is also termed, now rests 

 upon just as sure a basis as the really equivalent doc- 

 trine of the persistence or Indestructibility of Matter^. 

 And if matter and force are absolutely inseparable, if 



e seen 



¥' 



the one cannot exist without the other, it will b 

 that, even independently of the experimental support 



force, tto^ ' which the doctrine has received, the reality of the 



s 



•cly 



ev 



iM 



of forni 





dori^ 



Persistence of Force must have followed as a lo2:ical 



^ As we have previously intimated, the popular doctrine concerning 

 the Indestructibility of IMatter resolves itself philosophically into the 

 really fundamental notion of the Persistence of Force. Force and 



•i. pflVl^^'' i^^i^v ^<-^^^^'"-^i^»-iiLai iiuLiuii ui lue rersisience oi r orce. rorce aiiu 



flu 1*-^ ^i Matter are two aspects of a something one and indivisible"; only the idea 



ditiofi-' 



Ill'> 



n 



of Matter is a conception mentally superadded to the various Force- 

 attributes which are alone correlatable with consciousness. 



* * 



is6r- 



