But if ye return unto me, and keep my commandments, and do
 them
 Return by repentance, and, as a proof of the genuineness of it, yield obedience to the commands of God, and continue therein: 
 though there were of you cast out unto the uttermost part of the
 heaven;
 that is, the uttermost parts of the earth, the most distant regions; so called, because at the extreme parts of the horizon, according to our apprehension, the heavens and earth touch each other; so that what is the uttermost part of the one is supposed to be of the other: 
 yet will I gather them from thence and will bring them unto the place
 that I have chosen to set my name there;
 that is to Jerusalem where the temple was built, and his name was called upon.