Revelation 2:10-12

Young's Literal Translation

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: