Revelation 2:10-12 New Revised Standard Version, Anglicised (NRSVA)
10 Do not fear what you are about to suffer. Beware, the devil is about to throw some of you into prison so that you may be tested, and for ten days you will have affliction. Be faithful until death, and I will give you the crown of life. 11 Let anyone who has an ear listen to what the Spirit is saying to the churches. Whoever conquers will not be harmed by the second death.
The Message to Pergamum
12 ‘And to the angel of the church in Pergamum write: These are the words of him who has the sharp two-edged sword: