How does the Spirit witness to our acceptance with God?

Answer

"Because ye are sons, God hath sent forth the Spirit of His Son into your hearts, crying, Abba, Father."
Gal. 4 : 6. "The Spirit itself beareth witness with our spirit, that we are the children of God." Rom. 8: 16.

How was this fulfilled?
To whom do the things which have been revealed belong ?
What is Peter's testimony regarding it?
What words to this church show the second advent near?
What is promised those who add grace to grace?
Does death bring to Christians unassuaged sorrow?
4. And when the new heavens and the new earth have appeared, and the holy city, New Jerusalem, then he made?

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