Matthew 24:4, 6-9, 12, 20-22, 31, 34, 36-51
Matthew 24:31 ESV
And he will send out his angels with a loud trumpet call, and they will gather his elect from the four winds, from one end of heaven to the other.
Matthew 24:34 ESV
Truly, I say to you, this generation will not pass away until all these things take place.