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.

What concrete example makes clear the meaning of this doctrine?
How does God regard those who walk in His law?
And how may we know that we love the brethren?
What did Christ tell the rich young man to do in order to enter into life?
With what should our prayers be mingled?
Is it our duty always to give what is expected or asked?
What will the saints do in the new earth?

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