▁middle ▁of ▁ 1 6 6 7 , ▁he ▁visited ▁India ▁and ▁returned ▁to ▁Pers ia ▁in ▁ 1 6 6 9 . ▁The ▁next ▁year ▁he ▁arrived ▁in ▁Paris . ▁ ▁He ▁issued ▁an ▁account ▁of ▁some ▁events ▁to ▁which ▁he ▁was ▁an ▁e y ew it ness ▁in ▁Pers ia , ▁entitled ▁' Le ▁Cour onn ement ▁de ▁So le iman ▁Tro is ième ,' ▁Paris , ▁ 1 6 7 1 . ▁ ▁A ▁learned ▁no blem an , ▁Mir za ▁Se fi , ▁a ▁prisoner ▁in ▁his ▁own ▁palace ▁at ▁I sp ah an , ▁had ▁ent ert ained ▁him , ▁instruct ed ▁him ▁in ▁the ▁Pers ian ▁language , ▁and ▁assist ed ▁him ▁in ▁this ▁work . ▁ ▁Peter ▁de ▁la ▁Cro ix ▁and ▁Ta vern ier ▁sever ely ▁critic ised ▁it , ▁while ▁An ge ▁de ▁la ▁B ros se ▁as ▁strongly ▁def ended ▁it . ▁ ▁Ch ardin ▁again ▁started ▁for ▁the ▁East , ▁August ▁ 1 6 7 1 . ▁ ▁He ▁was ▁at ▁Constantin ople ▁from ▁March ▁to ▁July ▁ 1 6 7 2 . ▁ ▁A ▁quar rel ▁between ▁the ▁grand ▁viz ier ▁and ▁the ▁French ▁amb assador ▁made ▁the ▁position ▁of ▁French ▁subjects ▁dangerous , ▁and ▁Ch ardin ▁escaped ▁in ▁a ▁small ▁vessel ▁across ▁the ▁Black ▁Sea , ▁and ▁made ▁a ▁most ▁advent ur ous ▁journey ▁by ▁C aff a , ▁and ▁through ▁Georgia , ▁and ▁Armen ia ▁to ▁I sp ah an , ▁which ▁he ▁reached ▁in ▁ 1 6 7