Romans 3:3

But what if some [of the Jews] were unfaithful? Does their lack of faith nullify the faithfulness of God? Certainly not!

2 Timothy 2:13

If we prove to be unfaithful [i.e., to our commitment to Christ], He [still] remains faithful [to His word], for He cannot deny Himself. [Note: This verse refers to Christ remaining true to His promise of either accepting or rejecting us. See Matt. 10:32-33].

Hebrews 3:17-19

And who was God angry with for forty years? Was it not with those people who sinned, whose bodies fell [dead] in the desert?

Treasury of Scripture Knowledge

Summary

Then a lord on whose hand the king leaned answered the man of God, and said, Behold, if the LORD would make windows in heaven, might this thing be? And he said, Behold, thou shalt see it with thine eyes, but shalt not eat thereof.

Bible References

Thou shalt see it

Romans 3:3
But what if some [of the Jews] were unfaithful? Does their lack of faith nullify the faithfulness of God? Certainly not!
2 Timothy 2:13
If we prove to be unfaithful [i.e., to our commitment to Christ], He [still] remains faithful [to His word], for He cannot deny Himself. [Note: This verse refers to Christ remaining true to His promise of either accepting or rejecting us. See Matt. 10:32-33].
Hebrews 3:17
And who was God angry with for forty years? Was it not with those people who sinned, whose bodies fell [dead] in the desert?