Matthew 3:7-9

And seeing many of the Pharisees and Sadducees coming to his baptism, he said unto them; O generations of vipers, who hath warned you to flee from the wrath to come?

Acts 7:51-52

Ye stiffnecked and uncircumcised in heart and ears, you do always resist the Holy Ghost; as your fathers did, so do ye.

Acts 20:26-27

Therefore I witness to you this clay, that I am pure from the blood of all men;

Titus 2:15

Speak these things and exhort and convict with all authority; let no one despise thee.

Revelation 1:10

I was in the Spirit on the Lord's day, and I heard behind me a great voice, as of a trumpet

Revelation 4:1

After these things I saw, and behold, a door was opened in the heaven: and the first voice I heard was as of a trumpet speaking with me; saying; Come up hither, and I will show thee the things which it behooves to come to pass after these.

Revelation 14:9-10

And another, the third angel followed these, saying with a great voice, If any one worships the beast and his image, and receives a mark upon his forehead, or upon his hand,

Treasury of Scripture Knowledge

Summary

Cry aloud, spare not, lift up thy voice like a trumpet, and shew my people their transgression, and the house of Jacob their sins.

Bible References

Spare

Matthew 3:7
And seeing many of the Pharisees and Sadducees coming to his baptism, he said unto them; O generations of vipers, who hath warned you to flee from the wrath to come?
Acts 7:51
Ye stiffnecked and uncircumcised in heart and ears, you do always resist the Holy Ghost; as your fathers did, so do ye.
Acts 20:26
Therefore I witness to you this clay, that I am pure from the blood of all men;
Titus 2:15
Speak these things and exhort and convict with all authority; let no one despise thee.
Revelation 14:9
And another, the third angel followed these, saying with a great voice, If any one worships the beast and his image, and receives a mark upon his forehead, or upon his hand,