Tt)2 VOYAGE TO MADAGASCAR. 



and thofe wlio witnefs fucli decifive experi- 

 mentSj not acknowletlge the utility of the 

 flutly of nature ? When the favage beholds 

 thcfe, he will then ceafe to be terrified by 

 the awful nolfe of thunder; he will judge, 

 though unacquainted with its caufe, that 

 it is not unknown to the phllofopher, 

 who has been able to render himfelf 

 inafter of it ; and this confideradon will be 

 fufficient to free him from uneafmefs. The 

 cafe will be the fame with regard to the 

 efie6:s of volcanoes and earthquakes, if he 

 be fliewn fpontaneous cxplofions, conviil- 

 five motions, and fimilar cfFeds in fub- 

 ftances which are familiar to his fenfes. We 

 muft not fuppofe the ideas of man fo con- 

 fined as not to follow even complex rea- 

 foning, when it is founded on experience* 

 I am well aware, that, in civilifed countries, 

 an innumerable multitude, employed only 

 in providing for their fubfiftence by conti- 

 nual 



