Can I know for Sure if I am a Christian?

Many Christians wonder at some point in their lives if they are a truly a Christian. This video answer the question and helps you know if you are in Christ.

Athiest Speaks to the Importance of Christians sharing their faith

I found this on the http://www.ragamuffinblog.com/ and thought that it was a pretty good message for Christians, from an athiest, speaking both to the why and the how of sharing your faith with others. Penn is an atheist and famous magician from the duo Penn & Teller.