Ezekiel 34:11: "For thus saith the Lord GOD; Behold, I, even I, will both search my sheep, and seek them out."
Ezekiel 34:12: "As a shepherd seeketh out his flock in the day that he is among his sheep that are scattered; so will I seek out my sheep, and will deliver them out of all places where they have been scattered in the cloudy and dark day." The Day of The Lord.
Mark 13:27: “And then shall he” [Christ] “send his angels, and shall gather together his elect from the four winds, from the uttermost part of the earth to the uttermost part of heaven.”
1 Thessalonians 4:16: "For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trump of God: and the dead in Christ shall rise first:"
1 Thessalonians 4:17: "Then we which are alive and remain shall be caught up together with them in the clouds, to meet the Lord in the air: and so shall we ever be with the Lord."