Mark 16:15-16

And he said to them: Go into all the world, and preach the gospel to every creature.

Romans 10:14-18

How, 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?

Romans 15:16-19

that I may be the public servant of Jesus Christ to the Gentiles, officiating as a priest with respect to the gospel of God, that the offering up of the Gentiles may be acceptable, having been sanctified by the Holy Spirit.

Treasury of Scripture Knowledge

Summary

And in the seventh month, on the first day of the month, ye shall have an holy convocation; ye shall do no servile work: it is a day of blowing the trumpets unto you.

Bible References

Blowing

Mark 16:15
And he said to them: Go into all the world, and preach the gospel to every creature.
Romans 10:14
How, 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?
Romans 15:16
that I may be the public servant of Jesus Christ to the Gentiles, officiating as a priest with respect to the gospel of God, that the offering up of the Gentiles may be acceptable, having been sanctified by the Holy Spirit.