Why did God reprove Eli?

Answer

"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. For I have told him that I will judge his house for ever for the iniquity which he
knoweth; because his sons made themselves vile, and he restrained them not." 1 Sam. 3:12,13.

What was one direct purpose of the incarnation of Christ?
On what basis is there no possibility of justification for the sinner?
Because of this, what is Christ able to do?
How did Christ estimate the righteousness of the scribes and Pharisees?
What did the people once again promise to do?
Who alone knows the exact day of Christ's coming?
What instruction does the Apostle John give touching this subject?

Questions & Answers are from the book Bible Readings for the Home Circle