Revelation 2:10-12 Authorized (King James) Version (AKJV)
10 Fear none of those things which thou shalt suffer: behold, the devil shall cast some of you into prison, that ye may be tried; and ye shall have tribulation ten days: be thou faithful unto death, and I will give thee a crown of life. 11 He that hath an ear, let him hear what the Spirit saith unto the churches; He that overcometh shall not be hurt of the second death.
12 And to the angel of the church in Pergamos write; These things saith he which hath the sharp sword with two edges;
Revelation 2:10-12 New International Version (NIV)
10 Do not be afraid of what you are about to suffer. I tell you, the devil will put some of you in prison to test you, and you will suffer persecution for ten days. Be faithful, even to the point of death, and I will give you life as your victor’s crown.
11 Whoever has ears, let them hear what the Spirit says to the churches. The one who is victorious will not be hurt at all by the second death.
To the Church in Pergamum
12 “To the angel of the church in Pergamum write:
These are the words of him who has the sharp, double-edged sword.