230 Discussion between two Readers 
conversant with the — of the matter and the relation of 
the forces concerned, 
ceptions we may form about it, is the true one. Now, let it 
remarked that design can never be demonstrated. Witnessing the 
cases in question. The only way left, and the only possible way 
in cases where testimony is out of the question, is to infer the 
design from the result, or from arrangements which strike 08 . 
adapted or intended to produce a certain result, which affords s 
sapien org of design. The strength of this presumption - 
zero, or an even chanee, as perhaps it is in the assumed cane 
but the probability of design will increase with the particulary 
of the act, the speciality of the arrangement or machinery, # 
_ with the number of identical or yet more of similar an apalo- 
gous instances, until it rises to a moral certainty,—. ¢, 
- vietion which practically we are as unable to resist as We * 
deny the cogency of a mathematical demonstration. A sing 
tance, or set of instances, of a comparatively simple wang 
ment might suffice. For instance, we should not doubt tha 
pump was designed to raise water by the moving of the 
. 
gn sooner 
Of course the conviction is the stronger, or at least the 
are t0 
le 
han €. 
