1 Samuel 3:12

In that day I establish unto Eli all that I have spoken unto his house, beginning and completing;

1 Samuel 2:27-36

And there cometh a man of God unto Eli, and saith unto him, 'Thus said Jehovah, Was I really revealed unto the house of thy father in their being in Egypt, before Pharaoh's house,

Numbers 23:19

God is not a man -- and lieth, And a son of man -- and repenteth! Hath He said -- and doth He not do it? And spoken -- and doth He not confirm it?

Joshua 23:15

'And it hath been, as there hath come upon you all the good thing which Jehovah your God hath spoken unto you, so doth Jehovah bring upon you the whole of the evil thing, till His destroying you from off this good ground which Jehovah your God hath given to you;

Zechariah 1:6

Only, My words, and My statutes, That I commanded My servants the prophets, Have they not overtaken your fathers, And they turn back and say: As Jehovah of Hosts designed to do to us, According to our ways, and according to our doings, So He hath done to us?'

Luke 21:33

the heaven and the earth shall pass away, but my words may not pass away.

Treasury of Scripture Knowledge

Summary

In that day I will perform against Eli all things which I have spoken concerning his house: when I begin, I will also make an end.

Bible References

I will perform

1 Samuel 2:27
And there cometh a man of God unto Eli, and saith unto him, 'Thus said Jehovah, Was I really revealed unto the house of thy father in their being in Egypt, before Pharaoh's house,
Numbers 23:19
God is not a man -- and lieth, And a son of man -- and repenteth! Hath He said -- and doth He not do it? And spoken -- and doth He not confirm it?
Joshua 23:15
'And it hath been, as there hath come upon you all the good thing which Jehovah your God hath spoken unto you, so doth Jehovah bring upon you the whole of the evil thing, till His destroying you from off this good ground which Jehovah your God hath given to you;
Zechariah 1:6
Only, My words, and My statutes, That I commanded My servants the prophets, Have they not overtaken your fathers, And they turn back and say: As Jehovah of Hosts designed to do to us, According to our ways, and according to our doings, So He hath done to us?'
Luke 21:33
the heaven and the earth shall pass away, but my words may not pass away.