THE UNITY OF NATURE. 281 



mechanical cause, independent of that of the other. 

 Everybody knows that chance, in this monistic sense, 

 plays an important part in the life of man and in the 

 universe at large. That, however, does not prevent 

 us from recognising in each " chance " event, as we 

 do in the evolution of the entire cosmos, the universal 

 sovereignty of nature's supreme law, the law of 

 substance. 



