"But immediately after the terrible trouble of those days, [i.e., the next major event on God's calendar], the sun will become dark, and [therefore] the moon will not [be able to] shed its [reflected] light. The stars will fall from the sky and the forces of the heavens will be shaken [Note: From the description of these same events in Luke 21:25-26, it is possible that this is figurative language for great calamities happening on the earth]. Then the sign [i.e., signifying the coming] of the Son of man will appear in the sky, and all the nations of the earth will be stricken with grief as they see the Son of man coming in the clouds of the sky [See Acts 1:9-11] with power and great splendor. 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 13:24-27

"But after those days of terrible trouble [i.e., the next major event on God's calendar will be], the sun will become dark, and [therefore] the moon will not [be able to] shed its [reflected] light, and the stars will be falling from the sky and the forces of the heavens will be shaken. [Note: From the description of these same events in Luke 21:25-26, it is possible that this is figurative language for great calamities happening on earth]. And then they will see the Son of man coming in the clouds with great power and splendor. read more.
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].

Isaiah 65:8-10

Isaiah 45:3-5

Luke 18:7-8

So, will God not grant justice to His elect [i.e., His people] who call out to Him [i.e., in prayer] day and night? Will He be slow in helping them? I tell you, He will grant justice to them quickly. However, will the Son of man find [very many] believing people on the earth when He returns?"

Romans 8:33

Who will bring an accusation against God's chosen people? [Certainly not God, for] He makes people right with Himself. Verse Concepts

Election » Ensures to saints » The inheritance

Isaiah 65:9

1 Peter 1:4-5

Through Him we have an inheritance that cannot be corrupted or contaminated, and will never disappear; it is reserved in heaven for you. Through God's power you are protected by [your] faith, so that you can expect to be saved in the end.