Matthew 3:7-9

But when he saw many of the pharisees and sadducees coming to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?

Acts 7:51-52

Ye stiff-necked, and uncircumcised in heart and ears, ye do always resist the holy Spirit: as your fathers did, so do ye.

Acts 20:26-27

Wherefore I call you to witness this day, that I am clear from the blood of all men.

Titus 2:15

These things speak, and exhort; and reprove offenders with all authority: that none may despise thee.

Revelation 1:10

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

Revelation 4:1

After these things I saw, and behold, a door opened in heaven; and the first voice which I heard was as of a trumpet speaking to me; and it said, Come up hither, and I will shew thee things which must come to pass hereafter.

Revelation 14:9-10

And a third angel followed them, saying with a loud voice, If any one worship the beast and his image, and receive the mark on his forehead,

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
But when he saw many of the pharisees and sadducees coming to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?
Acts 7:51
Ye stiff-necked, and uncircumcised in heart and ears, ye do always resist the holy Spirit: as your fathers did, so do ye.
Acts 20:26
Wherefore I call you to witness this day, that I am clear from the blood of all men.
Titus 2:15
These things speak, and exhort; and reprove offenders with all authority: that none may despise thee.
Revelation 14:9
And a third angel followed them, saying with a loud voice, If any one worship the beast and his image, and receive the mark on his forehead,