Children of the same family, the same blood, with the same first associations and habits, have some means of enjoyment in their power, which no subsequent connections can supply.
I don't believe an accident of birth makes people sisters or brothers. It makes them siblings, gives them mutuality of parentage. Sisterhood and brotherhood is a condition people have to work at.
When called to the Council of the Twelve, October 4, 1963, he said in the Salt Lake Tabernacle: I think of a little sister, a French-Canadian sister, whose life was changed by the missionaries as her spirit was touched. As she said good-by to me and my wife in Quebec, she said, "President Monson, I may never see the Prophet. I may never hear the Prophet. But President, far better, now that I am a member of this Church, I can obey the Prophet."