Acts 20:20

And how I with-held nothing that was useful, but have declared it to you, and have taught you publicly and from house to house:

Acts 20:27

For I have not failed to declare unto you all the counsel of God.

Romans 8:32

He that spared not his own Son, but delivered Him up for us all, how shall He not with Him freely give us all things?

2 Peter 2:4-5

For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgement; and if He spared not the old world,

Revelation 3:7

And to the angel of the church in Philadelphia write, These things saith the holy One, He that is true, He that hath the key of David, He that openeth and no one shutteth, and shutteth and no one openeth:

Revelation 4:8

And the four animals had each of them six wings round about, and within were full of eyes; and they cease not day and night saying, Holy, holy, holy is the Lord God almighty, who was, and who is, and who 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 that spared not his own Son, but delivered Him up for us all, how shall He not with Him freely give us all things?
2 Peter 2:4
For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgement; and if He spared not the old world,

Have not concealed

Acts 20:20
And how I with-held nothing that was useful, but have declared it to you, and have taught you publicly and from house to house:

The holy one

Revelation 3:7
And to the angel of the church in Philadelphia write, These things saith the holy One, He that is true, He that hath the key of David, He that openeth and no one shutteth, and shutteth and no one openeth:
Revelation 4:8
And the four animals had each of them six wings round about, and within were full of eyes; and they cease not day and night saying, Holy, holy, holy is the Lord God almighty, who was, and who is, and who is to come.