Doctrine 2. The end and use of afflictions is for the triall of Christians.
This is gathered from the same verse. See the same doctrine Chapter 1. verse 7.
Doctrine 3. The faithfull in suffering afflictions and persecutions are partakers of Christs sufferings.
This is gathered from verse 13.
Reason 1. Because when they suffer for the name of Christ, Christ suffers in them, according to that of the Lord, Saul, Saul, why persecutest thou me?
2. Because they are made conformable unto Christs death, Philippians 3.10.
Vse. This may serve to comfort us, because therein we have matter of rejoycing, as it is in the text.
Doctrine 4. From these afflictions, if we suffer them joyfully, we have a sure argument of our eternall joy and glory to come hereafter.
This is gathered from verse 13.
Reason 1. Because they that are partakers of Christs death, are partakers also of his resurrection and everlasting life, Romans 8.17. 2 Corinthians 4.11.