How perfect does Christ tell His followers to be?

Answer

"Be ye therefore perfect, even as your Father which is in heaven is perfect." Verse 48.

By whom was this fulfilled?
How did the father show his joy at his son's return?
Whose presence does the Holy Spirit bring to the believers?
How are these gifts elsewhere spoken of?
Whom does the Lord chasten?
Does the Bible recognize this as the proper time for beginning and ending the Sabbath?
How long will they sleep there?

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