1 Samuel 3:12

Overview - 1 Samuel 3
How the word of the Lord was first revealed to Samuel.
11 God tells Samuel the destruction of Eli's house.
15 Samuel, though loath, tells Eli the vision.
19 Samuel grows in credit.
Treasury of Scripture Knowledge

1 Samuel 3:12  (King James Version)
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.

I will perform
2:27-36 Numbers 23:19 ; Joshua 23:15 ; Zechariah 1:6 ; Luke 21:33

when I begin, etc
Hebrew beginning and ending.