To do God's will as fast as it is made known to us, to inquire hourly -- I had almost said each moment -- what He requires of us, and to leave ourselves, our friends, and every interest at His control, with a cheerful trust that the path which He marks out leads to our perfection and to Himself, -- this is at once our duty and happiness; and why will we not walk in the plain, simple way?.

Memoir: With Extracts from His Correspondence and Manuscripts (ed. 1850)