Matthew 10:27

What I am telling you in the darkness [i.e., in obscurity], you tell it in the light [i.e., openly]. And what you hear [whispered] in your ear [you should] declare it from the housetops.

Acts 5:20

"You men, go and stand in the Temple and speak to all the people words about this Life [i.e., about Jesus]." [See John 14:6].

Matthew 13:1-17

On that [same] day, Jesus went out of the house and sat down on the shore of the lake [i.e., Lake Galilee].

Matthew 13:34-35

Jesus spoke all these things to the crowds with parables. He did not say anything to them without using a parable.

Luke 8:10

And He said to them, "You [disciples] are being given an understanding of the secrets of the kingdom of God, but the rest of the people [are being told] in parables, so that [even though they appear to be] seeing, they will not [actually] see; and [even though they seem to] hear, they will not understand.

John 16:1

[Jesus continued], "I have told you these things so that you men would not fall away [i.e., from the faith].

John 16:13

However, when the Holy Spirit of truth comes, He will lead you [apostles] into all the truth. For He will not speak on His own authority, but will speak [only] what He hears [from the Father]. And He will tell you about the things that are to come.

John 16:25

"I have spoken these things to you in figurative language. [However], the time will come when I will not speak to you in figurative language, but will tell you plainly about the Father.

John 16:29

[Then] Jesus' disciples said [to Him], "Look, you are speaking plainly now, and not in figurative language.

Acts 5:28

"We strictly commanded you not to teach in this name [i.e., the name of Jesus] and look [what you have done]; you have filled Jerusalem with your teaching and you intend to hold us responsible for this man's [i.e., Jesus'] death."

Acts 17:17

So, he debated in the synagogue with the Jews and the God-fearing people [i.e., Gentile proselytes], as well as in the open shopping market with others who met with him there.

2 Corinthians 3:12

Therefore, since we have such a hope [i.e., that the Gospel is much superior to the law], we speak with great boldness,

Treasury of Scripture Knowledge

Summary

What I tell you in darkness, that speak ye in light: and what ye hear in the ear, that preach ye upon the housetops.

That preach

General references

Bible References

I tell

Matthew 13:1
On that [same] day, Jesus went out of the house and sat down on the shore of the lake [i.e., Lake Galilee].
Luke 8:10
And He said to them, "You [disciples] are being given an understanding of the secrets of the kingdom of God, but the rest of the people [are being told] in parables, so that [even though they appear to be] seeing, they will not [actually] see; and [even though they seem to] hear, they will not understand.
John 16:1
[Jesus continued], "I have told you these things so that you men would not fall away [i.e., from the faith].
2 Corinthians 3:12
Therefore, since we have such a hope [i.e., that the Gospel is much superior to the law], we speak with great boldness,

That preach

Acts 5:20
"You men, go and stand in the Temple and speak to all the people words about this Life [i.e., about Jesus]." [See John 14:6].
Acts 17:17
So, he debated in the synagogue with the Jews and the God-fearing people [i.e., Gentile proselytes], as well as in the open shopping market with others who met with him there.

General references

Mark 4:22
For there is nothing that is hidden that should not be exposed. Neither is anything covered up that should not be revealed.