What did God say to Abraham concerning his wife, Sarah?

Answer

"And I will bless her, and give thee a son also of her: yea, I will bless her, and she shall be a mother of
nations; kings of people shall be of her." Gen. 17: 16.

In what one word is the character of God expressed?
What prophetic declaration foretold this truth?
How complete should this obedience be?
What is to endure throughout all generations?
How did David express himself on this point?
How will the Lord manifest Himself to the wicked?
But are not the righteous dead in heaven?

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