God can only use us while we are right. Satan cared far less for Peter's denial of his Master than for the use he made of it afterwards to destroy his faith. So Jesus said to him: "I have prayed for thee that thy faith fail not." It was Peter's faith he attacked, and so it is our faith that Satan contests. "The trial of our faith is much more precious than gold that perisheth."
Whatever else we let go let us hold steadfastly to our trust. "Cast not away, therefore, your confidence," and "hold fast the rejoicing of our hope firm unto the end." And if you would hold your trust, hold your sweetness, your rightness of spirit, your obedience to Christ, your victory in every way.
Whatever comes, regard it as of less consequence, than that you should triumph and stand fast, and accepting every circumstance as God is pleased to let occur, wave the banner of your victory in the face of every foe, and go on, shouting in His name, "Thanks be unto God that always causeth us to triumph in Christ Jesus."