A THEORY OF LIFE 161 



between what we observe of nature and the 

 Deity ; but there must be intelligence some- 

 where ; there must be more in nature than what 

 we see ; and, amongst the things unseen, there 

 must be an intelligent designing Author." 



The scientific writer has to remember that 

 whilst he may explain many things, his work is a 

 torso unless and until he has either accepted the 

 Creator as the first Cause, which he is too often 

 disinclined to do, or has supplied an equally 

 satisfactory explanation, which he is permanently 

 unable to do. On the other hand, at least some 

 defenders of Theism in the past might well have 

 borne in mind that, whilst we are assured of the 

 fact of Creation, we know absolutely nothing of 

 its mechanism save that it came about by the 

 command of God. There is nothing in which 

 clear thinking and clear writing are more necessary 

 than in discussions of this kind ; and too many 

 of them are vitiated by an obvious lack of philo- 

 sophical training on the part of the participants. 

 Even in this carefully written book there are 

 instances of this kind of thing to which we must 

 allude before considering its main arguments. 



" We know, for example, that there has existed 

 a more or less complete chain of beings from 

 monad to man, that the one-toed horse had a 

 four-toed ancestor, that man has descended from 

 an unknown ape-like form somewhere in the 

 Tertiary." " We know " that is exactly the 

 opposite of the truth. We know a thing when it 

 is susceptible of proof according to the rigid rules 

 of formal logic ; when, to doubt it, would be to 



II 



