Below are links to resources on Mark 16 that are useful, with a short description of each.
Click here to see the commentary page for the Gospel of Mark.
The Fitting End to Mark’s Gospel, by John MacArthur
This is a very helpful and bolstering talk by John MacArthur. It comes down very strong on the side that the long ending of Mark should not be considered as God’s Word. In doing this, MacArthur helpfully explains why this should help our trust in God’s Word, not damage it.
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This long video by Mike Winger spells out the major considerations about the long ending of Mark. It is a great starting point for those who might wish to go further in studying this, however I think it is helpful for those just wanting to hear a well-informed perspective without getting too involved in the issue.
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Noah M
I think that Christians can be uncomfortable or even scared when they first encounter this issue. That’s not a bad thing – it means that they trust God and take His Word seriously. I would really encourage those who are just encountering this to talk with someone face-to-face in their own church about this, ideally an elder or someone who is seen as a leader in the church. It’s a far more personal approach, and can help navigate this issue without getting bogged down in the data and debates. After that, the resources listed on this page might be helpful if you desire to go further.
I would also encourage you to look at The Reliability of Scripture page. That will hopefully provide extra context and foundation for digging into this specific contextual issue about Mark 16.
Standing Before God, This We Are and No More 