Mark 16:15-16

And he said to them. "Go into all the world and preach the gospel to the whole creation.

Romans 10:14-18

How then shall thy call upon Him in whom they do not believe? And how are they to believe in One of whom they have never heard? And how shall they hear without a preacher?

Romans 15:16-19

I act as priest of the gospel of God; so that the Gentiles, when offered before him, may be an acceptable sacrifice, because consecrated 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 the whole creation.
Romans 10:14
How then shall thy call upon Him in whom they do not believe? And how are they to believe in One of whom they have never heard? And how shall they hear without a preacher?
Romans 15:16
I act as priest of the gospel of God; so that the Gentiles, when offered before him, may be an acceptable sacrifice, because consecrated by the Holy Spirit.