The Great Commission
Jesus's final charge to his followers before the ascension, and Paul's own logic for why it has to be carried out.
Matt 28:18-20
Read in full chapter →18And Jesus came and spake unto them, saying, All power is given unto me in heaven and in earth.
See also: Isaiah 9:6, Matthew 11:27
19Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:
See also: Mark 16:15-16, Acts 1:8
20Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen.
See also: Isaiah 41:10, Joshua 1:5
Mark 16:15
Read in full chapter →15And he said unto them, Go ye into all the world, and preach the gospel to every creature.
See also: Matthew 28:19, Acts 1:8
Rom 10:14-15
Read in full chapter →14How then shall they call on him in whom they have not believed? and how shall they believe in him of whom they have not heard? and how shall they hear without a preacher?
See also: Hebrews 11:6, Proverbs 18:21
15And how shall they preach, except they be sent? as it is written, How beautiful are the feet of them that preach the gospel of peace, and bring glad tidings of good things!
See also: Isaiah 52:7, Nahum 1:15