Acts 20:20

how I did not shrink from declaring to you anything that was profitable, and teaching you publicly and from house to house,

Acts 20:27

For I did not shrink from declaring to you the whole counsel of God.

Romans 8:32

He who did not spare his own Son, but gave him up for us all, how will he not also give us all things with him?

2 Peter 2:4-5

For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, to be reserved for judgment;

Revelation 3:7

"And to the angel of the church in Philadelphia write: 'These are the words of him who is holy, who is true, who has the key of David, who opens and no one shuts, and shuts and no one opens:

Revelation 4:8

And the four living creatures, each of them with six wings, are full of eyes all around and within, and day and night they never cease to sing, "Holy, holy, holy, is the Lord God Almighty, who was and is and is to come."

Treasury of Scripture Knowledge

Summary

Then should I yet have comfort; yea, I would harden myself in sorrow: let him not spare; for I have not concealed the words of the Holy One.

Let him not

Have not concealed

Bible References

Let him not

Romans 8:32
He who did not spare his own Son, but gave him up for us all, how will he not also give us all things with him?
2 Peter 2:4
For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, to be reserved for judgment;

Have not concealed

Acts 20:20
how I did not shrink from declaring to you anything that was profitable, and teaching you publicly and from house to house,

The holy one

Revelation 3:7
"And to the angel of the church in Philadelphia write: 'These are the words of him who is holy, who is true, who has the key of David, who opens and no one shuts, and shuts and no one opens:
Revelation 4:8
And the four living creatures, each of them with six wings, are full of eyes all around and within, and day and night they never cease to sing, "Holy, holy, holy, is the Lord God Almighty, who was and is and is to come."