What is the ground of justification on God's part?

Answer

"That being justified by His grace, we should be made heirs according to the hope of eternal life." Titus 3:

By what did Peter, on the day of Pentecost, say that Christ had been approved by God?
What will be the fate of the one who curseth his father or his mother?
On what did God write the Ten Commandments?
When did the moon refuse to give her light?
In view of this fact, what does Christ tell us to do?
What will be the first plague, and upon whom will it fall?
In his dream at Bethel, what did Jacob see?

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