Thechangewaslikewhatmaybesupposedwouldtakeplacewereitpossibletocureacaseof“colorblindness“TheperfectfreenesswithwhichthepardonofallourguiltisofferedinGod’sbookdrewforthfeelingsofaffectionatelovetoHimwhoboughtuswithhisblood，andasenseofdeepobligationtoHimforhismercyhasinfluenced，insomesmallmeasure，myconducteversinceButIshallnotagainrefertotheinnerspirituallifewhichIbelievethenbegan，nordoIintendtospecifywithanyprominencetheevangelisticlaborstowhichtheloveofChristhassinceimpelledmeThisbookwillspeak，notsomuchofwhathasbeendone，asofwhatstillremainstobeperformed，beforetheGospelcanbesaidtobepreachedtoallnations。
IntheglowoflovewhichChristianityinspires，IsoonresolvedtodevotemylifetothealleviationofhumanmiseryTurningthisideaoverinmymind，IfeltthattobeapioneerofChristianityinChinamightleadtothematerialbenefitofsomeportionsofthatimmenseempire；
andthereforesetmyselftoobtainamedicaleducation，inordertobequalifiedforthatenterprise。
Inrecognizingtheplantspointedoutinmyfirstmedicalbook，thatextraordinaryoldworkonastrologicalmedicine，Culpeper’s“Herbal“，IhadtheguidanceofabookontheplantsofLanarkshire，byPatrick。
Limitedasmytimewas，Ifoundopportunitiestoscourthewholecountry-side，“collectingsimples“Deepandanxiousweremystudiesonthestilldeeperandmoreperplexingprofunditiesofastrology，andIbelieveIgotasfarintothatabyssofphantasiesasmyauthorsaidhedaredtoleadmeItseemedperilousgroundtotreadonfarther，forthedarkhintseemedtomyyouthfulmindtoloomtoward“sellingsoulandbodytothedevil“，asthepriceoftheunfathomableknowledgeofthestarsTheseexcursions，oftenincompanywithbrothers，onenowinCanada，andtheotheraclergymanintheUnitedStates，gratifiedmyintenseloveofnature；andthoughwegenerallyreturnedsounmercifullyhungryandfatiguedthattheembryoparsonshedtears，yetwediscovered，tous，somanynewandinterestingthings，thathewasalwaysaseagertojoinusnexttimeashewasthelast。