How did Christ estimate the righteousness of the scribes and Pharisees?

Answer

"For I say unto you, That except your righteousness shall exceed the righteousness of the scribes and
Pharisees, you shall in no case enter into the kingdom of heaven!' Verse 20.

What use of this prophecy by the Apostle Peter shows that it referred to Christ?
For what purpose did Christ come into the world?
What did he tell them to do?
From what time does David say he himself was taught?
Why were the Sacred Writings given?
What statement shows that sin was in the world before the law was given on Mount Sinai?
Unto whom are God's people to be gathered?

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