How necessary is the experience of sanctification?

Answer

"Follow after peace with all men, and the sanctification without which no man shall see the Lord." Heb. 12
: 14, R.V.

How does the death of Christ bear testimony to this?
How are believers scaled?
What did this power do to the truth?
Is there a specified time for the cleansing of the heavenly sanctuary?
What will He then do for each one?
What is Peter's testimony regarding it?
Are the angels interested in the plan of salvation?

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