ong - sa ▁temple , ▁which ▁was ▁under ▁H ye j ang ' s ▁control . ▁Finally , ▁in ▁the ▁spring ▁of ▁ 1 8 0 8 ▁he ▁was ▁able ▁to ▁take ▁up ▁residence ▁in ▁a ▁house ▁belonging ▁to ▁a ▁distant ▁relative ▁of ▁his ▁mother , ▁on ▁the ▁s lop es ▁of ▁a ▁hill ▁over looking ▁Gang jin ▁and ▁its ▁bay . ▁It ▁was ▁a ▁simple ▁house , ▁with ▁a ▁that ched ▁roof , ▁but ▁it ▁was ▁there ▁that ▁the ▁ex ile ▁spent ▁the ▁remaining ▁ten ▁years ▁of ▁his ▁ex ile , ▁until ▁the ▁aut umn ▁of ▁ 1 8 1 8 . ▁This ▁is ▁the ▁site ▁now ▁known ▁as ▁“ D as an ▁Ch od ang .” ▁The ▁hill ▁behind ▁the ▁house ▁was ▁known ▁locally ▁as ▁Da - san ▁( te a - mount ain ) ▁and ▁that ▁was ▁to ▁become ▁the ▁name ▁by ▁which ▁our ▁ex ile ▁is ▁best ▁known ▁today , ▁Das an . ▁Here ▁he ▁could ▁teach ▁students ▁who ▁lod ged ▁in ▁a ▁building ▁close ▁to ▁his , ▁forming ▁a ▁close - kn it ▁community , ▁and ▁he ▁could ▁write . ▁In ▁his ▁study ▁he ▁accum ulated ▁a ▁library ▁of ▁over ▁a ▁thousand ▁books . ▁ ▁During ▁his ▁ex ile ▁he ▁is ▁said ▁to ▁have ▁written ▁ 5 0 0 ▁volumes . ▁This ▁needs ▁qual ifying , ▁since ▁one ▁“ work ” ▁might ▁fill ▁nearly ▁ 5 0 ▁volumes ▁of ▁the ▁standard ▁size , ▁but ▁he ▁certainly ▁wrote ▁a ▁vast ▁quantity , ▁some ▁ 1 4 , 0 0