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.

Why did Israel fail to attain unto righteousness?
When God brought His people out of Egypt, how did He republish His law?
Who does God say shall die?
Under the theocracy, how were the rebellious or willful transgressors treated ?
Which day is the Sabbath?
What effect did Christ's answers have upon the people?
What will the righteous do upon rising from the grave?

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