Romans 10:14

But how shall they call on him, on whom they believed not? How shall they believe on him of whom they have not heard? How shall they hear without a preacher?

Titus 1:3

but hath opened his word at the time appointed, through preaching; which preaching is committed unto me, by the commandment of God our saviour.

Mark 16:15-16

And he said unto them, "Go ye into all the world, and preach the glad tidings to all creatures:

1 Kings 8:41-43

And likewise, if a stranger that is not of thy people Israel come out of a far country for thy name's sake

Jonah 1:5

And the mariners were afraid and cried every man unto his god, and cast out the goods that were in the ship in to the sea, to lighten it of them. But Jonah gat him under the hatches and laid him down and slumbered.

Jonah 1:9-11

And he answered them, "I am a Hebrew: and the LORD God of heaven which made both sea and dry land, I fear."

Jonah 1:16

And the men feared the LORD exceedingly: and sacrificed sacrifice unto the LORD: and vowed vows.

Jonah 3:5-9

And the people of Nineveh believed God, and proclaimed fasting, and arrayed themselves in sackcloth, as well the great as the small of them.

Luke 24:46-47

and said unto them, "Thus is it written, and thus it behooved Christ to suffer, and to rise again from death the third day.

John 20:31

These are written that ye might believe that Jesus is Christ the son of God. And that ye in believing ye might have life through his name.

Acts 8:31

And he said, "How can I, except I had a guide?" And he desired Philip that he would come up and sit with him.

Acts 19:2

and said unto them, "Have ye received the holy ghost since ye believed?" And they said unto him, "No. We have not heard whether there be any holy ghost or no."

Acts 26:17-18

delivering thee from the people, and from the gentiles, unto thee which now I send thee,

Romans 1:5

by whom we have received grace and apostleship, to bring all manner heathen people unto obedience of the faith, that is in his name:

Romans 16:25-26

To him that is of power to establish you according to my gospel and preaching of Jesus Christ, in uttering of the mystery which was kept secret since the world began,

Ephesians 4:21

If so be ye have heard of him, and are taught in him, even as the truth is in Jesus:

2 Timothy 4:17

notwithstanding the Lord assisted me, and strengthed me, that by me the preaching should be fulfilled to the utmost and that all the gentiles should hear. And I was delivered out of the mouth of the lion.

Hebrews 11:6

But without faith it is impossible to please him: For he that cometh to God, must believe that God is, and that he is a rewarder of them that seek him.

James 5:15

and the prayer of faith shall save the sick, and the Lord shall raise him up: and if he have committed sins, they shall be forgiven him.

Treasury of Scripture Knowledge

Summary

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?

Bible References

Shall they

1 Kings 8:41
And likewise, if a stranger that is not of thy people Israel come out of a far country for thy name's sake
Jonah 1:5
And the mariners were afraid and cried every man unto his god, and cast out the goods that were in the ship in to the sea, to lighten it of them. But Jonah gat him under the hatches and laid him down and slumbered.
Jonah 3:5
And the people of Nineveh believed God, and proclaimed fasting, and arrayed themselves in sackcloth, as well the great as the small of them.
Hebrews 11:6
But without faith it is impossible to please him: For he that cometh to God, must believe that God is, and that he is a rewarder of them that seek him.
James 5:15
and the prayer of faith shall save the sick, and the Lord shall raise him up: and if he have committed sins, they shall be forgiven him.

And how shall

Romans 1:5
by whom we have received grace and apostleship, to bring all manner heathen people unto obedience of the faith, that is in his name:
Romans 16:25
To him that is of power to establish you according to my gospel and preaching of Jesus Christ, in uttering of the mystery which was kept secret since the world began,
Mark 16:15
And he said unto them, "Go ye into all the world, and preach the glad tidings to all creatures:
Luke 24:46
and said unto them, "Thus is it written, and thus it behooved Christ to suffer, and to rise again from death the third day.
John 20:31
These are written that ye might believe that Jesus is Christ the son of God. And that ye in believing ye might have life through his name.
Acts 19:2
and said unto them, "Have ye received the holy ghost since ye believed?" And they said unto him, "No. We have not heard whether there be any holy ghost or no."
Acts 26:17
delivering thee from the people, and from the gentiles, unto thee which now I send thee,
2 Timothy 4:17
notwithstanding the Lord assisted me, and strengthed me, that by me the preaching should be fulfilled to the utmost and that all the gentiles should hear. And I was delivered out of the mouth of the lion.
Titus 1:3
but hath opened his word at the time appointed, through preaching; which preaching is committed unto me, by the commandment of God our saviour.