Sanctification is tough because everyone studied has a slightly different approach to it.
John Bunyan's Methods of a full salvation... In which the witness of the Spirit is picked up at the Porter's House. And how I would teach the doctrine....
1.
Salvation - As the Christian leaves the City of Destruction and makes his way to the Celestial City.
2.
Sanctification - At the interpreter's house
3.
The Witness of the Spirit - At the porter's house
The City of Destruction The place where evangelists set people on their journey to the Celestial City
The Slough of Despair This represents the mire that well intentioned religious people bring to the way
Legalities Mountain The enemy attempt to indoctrinate pilgrims with doctrine designed to inhibit spiritual light
Plain of Instruction The evangelist sets the pilgrim on the right direction from the Mr. Worldly Wiseman
The Wicket Gate The sinners prayer.
Salvation.... The pilgrim now enters into the Lords country
The Interpreters House This is a time of instruction where caring people instruct and disciple. Sanctification.
Porters House The journey to a higher place where one receives the witness of the spirit.
And if the sanctification is picked up right... The Cross - If the discipleship at the Interpreters House is good, the burdens will drop at the sight of the cross. From the Pilgrims Progress....
NOW, I saw in my dream that the highway up which Christian was to go was fenced on either side with a wall that was called Salvation. Up this way, therefore, did burdened Christian run, but not without great difficulty, because of the load on his back.
He ran thus till he came to a place somewhat ascending; and upon that place stood a Cross, and a little below, in the bottom, a tomb. So I saw in my dream, that just as Christian came up with the cross, his burden loosed from off his shoulders, and fell from off his back, and began to tumble, and so continued to do till it came to the mouth of the tomb, where it fell in, and I saw it no more.
Then was Christian glad and lightsome, and said with a merry heart, "He hath given me rest by His sorrow, and life by His death." Then he stood still awhile to look and wonder; for it was very surprising to him that the sight of the cross should thus ease him of his burden. He looked, therefore, and looked again, even till the springs that were in his head sent the water down his cheeks. Now, as he stood looking and weeping, behold, three Shining Ones came to him, and saluted him with "Peace be to thee." So the first said to him, "Thy sins be forgiven thee;" the second stripped him of his rags, and clothed him
with a change of garments; the third also set a mark on his forehead, and gave him a roll with a seal upon it, which he bade him look on as he ran, and that he should give it in at the heavenly gate; so they went their way. Then Christian gave three leaps for joy, and went on, singing:
"Thus far did I come laden with my sin;
Nor could aught ease the grief that I was in,
Till I came hither; what a place is this!
Must here be the beginning of my bliss?
Must here the burden fall from off my back?
Must here the strings that bound it to me crack?
Blest cross! blest sepulchre! blest rather be
The Man that was there put to shame for me!"
Who then is responsible for getting us out of the world into a state of sanctification? The Apostle Paul claims....
My little children, of whom I travail in birth again until Christ be formed in you... - Galatians 4:19
In that case the Apostle Paul took the responsibility upon himself.