fs) 
tops, but they cannot guefs what is hid¬ 
den by the interpofition of thefe high 
places % whether they be lower Hills, or 
deep Vallics, or plain Fields* becaule 
with their flattering hopes they meafure 
the diftaiices of places by the eagernels 
of their defires. Tis no otherwife with 
thofe, that travel to the true knowledge 
of things by Experiments-' For no fooner 
have they the leafl fl;ri«^bureof a truth un* 
known, but they imagine,the whole fihall 
immediately open it felt to them 5 nor 
can they make a true eftimate' of the 
time requifite to folve that continued 
feries of difficulties, which by little and 
little, rifing out of hidden depths, and 
fill cafting new impediments in the way, 
llacken the pace of thofe that made fo 
much hafte to attain the end of their 
courle. The beginning of an Inquiry 
and Labour fliews only fome common 
and vulgarly known dilliculties^ but the 
particulars wrapp’d up in them,thcfalfi- 
ties to be removed,the truths to be eftab* 
lifla’t, the obfcuricies to be cleared, are 
feldom dctetTcd by any, until the thred 
of the Invefligation have led him unto 
them. Nor was it amifs,tbat Demecntm 
mad© 
m 
