Revelation 2:10-12 Young's Literal Translation (YLT)
10 `Be not afraid of the things that thou art about to suffer; lo, the devil is about to cast of you to prison, that ye may be tried, and ye shall have tribulation ten days; become thou faithful unto death, and I will give to thee the crown of the life.
11 He who is having an ear -- let him hear what the Spirit saith to the assemblies: He who is overcoming may not be injured of the second death.
12 `And to the messenger of the assembly in Pergamos write: These things saith he who is having the sharp two-edged sword:
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.