When praying what must we do in order to be forgiven?

Answer

"And when you stand praying, forgive, if you have anything against any: that your Father also which is in
heaven may forgive you your trespasses." Mark 11: 25.

What use of this prophecy by the Apostle Peter shows that it referred to Christ?
Who made the Sabbath?
What did Christ tell the rich young man to do?
What is Peter's testimony regarding it?
How did David express himself on this point?
How many resurrections are there to be?
What was the character of Christ's work among men?

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