Acts 1:6-7, Mt 28:19-20, Mk 16:15, Lk 24:47, Acts 1:8
We don’t know when the end of the world will come. (Acts 1:6-7)
Acts 1:6 When they therefore were come together, they asked of him, saying, Lord, wilt thou at this time restore again the kingdom to Israel?
7 And he said unto them, It is not for you to know the times or the seasons, which the Father hath put in his own power.
Jesus said that the end would come after the gospel was preached throughout the world. (Mt 24:14)
Mt 24:14 And this gospel of the kingdom shall be preached in all the world for a witness unto all nations; and then shall the end come.
The gospel that Jesus is the Christ will be preached throughout the world. And the end will come. (Mt 28:19-20, Mk 16:15, Lk 24:47, Acts 1:8)
Mt 28:19 Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:
20 Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you always, even unto the end of the world. Amen.
Mk 16:15 And he said unto them, Go ye into all the world, and preach the gospel to every creature.
Lk 24:47 And that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.
Acts 1:8 But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth.