Do Not Fear
There is so much that I could write on this topic. I think that the best I can do is provide you with some resources. For me, the best examples of this principle are stories of martyrs. The most "traditional" book telling some of these stories is "Foxe's Book of Martyrs" (read it for free at ccel.org). The language is older and can be difficult for some people, so I would also suggest "The New Foxe's Book of Martyrs" for an updated version. I've mentioned two other books before, either on this blog or in a sermon. Check out:
Jesus Freaks: Stories of Those Who Stood for Jesus
By Their Blood,: Christian Martyrs from the Twentieth Century and Beyond
I have all of these books, so if you'd like to borrow any of them, please do.
Finally, I'd like to recommend another sermon. This is a sermon title "Persecution and Christlikeness" given by Josef Tson, a Romanian pastor who endured a lot of persecution. It was delivered at my home church back in 2000, and it has definitely been one of the greatest, if not THE greatest sermon to influence my life and thinking. I know I just gave you another one to listen to, but this one really also is a must-listen: