With the revocation of the prohibition against Christianity in 1873, making Nagasaki his base, he devoted his energies to forming congregations of Christians, establishing facitilities for Japanese believers, and cultivating Japanese priests, as well as translating various scriptures and documents of religious doctrine into Japanese.
1873年（明治6年）にキリシタン禁制が解かれると、長崎を拠点にキリスト教布教や日本人信徒組織の整備と日本人司祭の養成、教理書や各種出版物の日本語訳などに力を注ぎ、