▁small ▁collection ▁of ▁po ems . ▁In ▁ 1 7 7 6 , ▁Das an ▁was ▁married ▁to ▁Hong ▁H w ab o ▁of ▁the ▁P ungs an ▁Hong ▁cl an , ▁the ▁daughter ▁of ▁a ▁royal ▁secretary ; ▁in ▁that ▁year ▁he ▁moved ▁to ▁Se oul , ▁where ▁his ▁father ▁received ▁an ▁appointment ▁in ▁the ▁Board ▁of ▁Tax ation ▁after ▁the ▁acc ession ▁of ▁King ▁Je ong jo . ▁When ▁he ▁was ▁ 1 5 , ▁Das an ▁was ▁introduced ▁to ▁the ▁writ ings ▁of ▁Se ong ho ▁Y i ▁I k ▁by ▁one ▁of ▁his ▁descend ants , ▁Y i ▁Ga - H wan ▁( 李 家 <0xE7> <0x85> <0xA5> , ▁ 1 7 4 2 – 1 8 0 1 ) ▁and ▁his ▁brother - in - law ▁Y i ▁Se ung - h un ▁( 李 <0xE6> <0x89> <0xBF> <0xE8> <0x96> <0xB0> , ▁ 1 7 5 6 – 1 8 0 1 ) ▁and ▁he ▁was ▁deeply ▁im pressed , ▁resol ving ▁to ▁dev ote ▁his ▁life ▁to ▁similar ▁studies . ▁In ▁ 1 7 8 3 , ▁Das an ▁passed ▁the ▁ch ins ag wa ▁( liter ary ▁lic enti ate ▁exam ination ), ▁which ▁allowed ▁him ▁to ▁enter ▁the ▁Se ong gy ung wan ▁( n ational ▁Conf u cian ▁a cademy ). ▁ ▁In ▁ 1 7 8 4 ▁the ▁king ▁was ▁deeply ▁im pressed ▁by ▁the ▁“ object ivity ” ▁of ▁Das an ' s ▁rep lies ▁to ▁a ▁set ▁of ▁questions ▁he ▁had