JANUARY 43 



Palace, made a clean breach in them, and both landed 

 unhurt within the enclosure. Force is undoubtedly one 

 of the most intangible, inexplicable, of mysteries. One 

 is warned against the use of anthropomorphic terms in 

 discussing it, which tend to divert the intellect from 

 precise analysis, and we are bidden to regard it as no 

 more than the rate per unit of length at which energy 

 is transferred or transformed. But this carries the 

 ordinary mind not very far, in fact no distance at all, 

 in apprehending what avails in the transference of energy 

 from a soft substance to a hard one, to protect from injury 

 such vulnerable surfaces as the skin on a horse's leg 

 against oak or iron, or a hen pheasant's head against 

 plate-glass. 



