... We have heard it rumored about, that some at least, and probably many, are making their calculations to remove back to Kirtland next season.
Now brethren, this being the case, we advise you to abandon such an idea; yea, we warn you, in the name of the Lord, not to remove back there, unless you are counseled so to do by the First Presidency, and the High Council of Nauvoo.
[Times and Seasons. Vol. 1, p. 29., 1839-December 8-DHC 4:45 as quoted in Clark, James R., Messages of the First Presidency (6 volumes)]