benefit of 
tuals, feeding cattle, not to mention the mari- 
ners, commerce and numberlefs other parti- 
culars. 
Laftly, however necefiary and incumbent 
upon us it may be to take a view of our coun- 
trey, it will be in vain to undergo this trouble*' 
if we do not lay the foundation of our ftudies 
at the univerfity, as to natural philofophy, 
natural, and medical hiftory ; without which 
preparation for travelling to advantage every 
thing that occurs, will appear trite, common,* 
and not worth our attention. The traveller 
however, above all men, ought to keep in 
mind that famous principle of Defcartes, viz. 
to doubt about every thing. He muft alfo be 
very cautious not to fuffer his mind, from too 
eager a defire of knowledge, to be over- 
whelmed at the beginning by the number of 
things to be obferved s , ****** 
* * * * * ****** * * 
We ought to travel in the flower of our age, 
while the mind, and body are in vigor, while 
our fbrength is unimpaired, and alacrity at its 
height; before a family, houfhold affairs/ 
* Here follow fome few lines in the original, which not 
wnderltanding i have omitted. 
and 
