Matthew 24:31

And He will send out His angels [i.e., as messengers] with the sound of a great trumpet [See I Thess. 4:16] to gather His elect [i.e., God's people] from all directions, [even] from throughout the whole world. [Note: See Mark 13:27, which suggests this thought by its use of 'earth' and 'sky']

Mark 13:27

And He will send out His angels and gather His elect [i.e., God's people] from all directions, from the farthest part of the earth to the farthest part of the sky [i.e., from throughout the whole world].

Treasury of Scripture Knowledge

Summary

For ask now of the days that are past, which were before thee, since the day that God created man upon the earth, and ask from the one side of heaven unto the other, whether there hath been any such thing as this great thing is, or hath been heard like it?

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Bible References

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Matthew 24:31
And He will send out His angels [i.e., as messengers] with the sound of a great trumpet [See I Thess. 4:16] to gather His elect [i.e., God's people] from all directions, [even] from throughout the whole world. [Note: See Mark 13:27, which suggests this thought by its use of 'earth' and 'sky']
Mark 13:27
And He will send out His angels and gather His elect [i.e., God's people] from all directions, from the farthest part of the earth to the farthest part of the sky [i.e., from throughout the whole world].