What is the Mark of the Beast?
The mark of the beast is often discussed among crazy people. This is an interesting take on it from Tom Schreiner. I would recommend this whole "Tough Passages" series from Crossway too.
The Problem of Prayerlessness
If you want conviction I would encourage you to read this piece by John Onwuchekwa.
Taking God's Name in Vain is so Much More Than Cursing
Have you ever wondered what it means to take God's name in vain? Check this article out.