Njengombhali owaziwayo kulwimi lwesiXhosa, uRubusana waye watyunjwa ukuba ahlale kwiKomiti yeXhosa Bible Revision, neyayityunjelwe ukugqibelelisa umsebenzi wokuguqula, komiti leyo yayikhokelwe nguTiyo Soga ngeye-1850. Yena ke wayengumhloli womsebenzi wale komiti nowathi wapapashwa eBritane ngexesha wayekhaphe iKumkani yabaThembu uDalindyebo kuthweso-sitsaba sikaKing Edward VII ngo-1904. Ngexesha eseLondon wapapasha incwadi yakhe yokuqala ethi Zemk’Inkomo Magwalandini, isicengcelezo semibongo yesiNtu, efundisa ngemibhalo yobuKristu nembali yenkonzo. Njengenye yeengqokelela zokuqala zemibongo yezithethe zesiNtu, le ncwadi inembali engacingelekanga nequlathe nexabiso loko kubhaliweyo.