Teachings of Jesus:
And then the end will come!

And this gospel of the kingdom will be preached in all the world as a testimony to all nations, and then the end will come. Matthew 24:14

And He said to them, “Go into all the world and preach the gospel to every creature. Mark 16:15

Then Jesus came to them and said, “All authority in heaven and on earth has been given to Me. Therefore go and make disciples of all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Spirit, and teaching them to obey all that I have commanded you. And surely I am with you always, even to the end of the age.” Matthew 28:18-20

Ask the Lord of the harvest, therefore, to send out workers into His harvest.” Matthew 9:38