Oh, what a promise awaits the faithful!
“And then shall that which is written come to pass: Sing, O barren, thou that didst not bear; break forth into singing, and cry aloud, thou that didst not travail with child; for more are the desolate than the children of the married wife, saith the Lord.” (3 Nephi 22: 1; Isaiah 54:1)
So, posterity will come to those of us who have no children, if we are faithful. Again, what a promise! I never realized what this verse meant until now. I had only, and always, relied upon these words of Brigham Young, until now.
“Let me here say a word to console the feelings … of all who belong to this Church. Many of the sisters grieve because they are not blessed with offspring. You will see the time when you will have millions of children around you. If you are faithful to your covenants, you will be mothers of nations. … and when you have assisted in peopling one earth, there are millions of earths still in the course of creation. And when they have endured a thousand million times longer than this earth, it is only as it were the beginning of your creations. Be faithful, and if you are not blest with children in this time, you will be hereafter.” (In Journal of Discourses, 8:208.)
And so the prophets concur.
This is what I previously wrote after reading 3 Nephi 22: God Hid His Face, Then Loved His Children