The most authoritative proof that “old things must pass away to live a successful Christian life” can be found in the Bible.
If asked, most mothers or fathers would probably agree that losing a child is the most traumatic experience any parent could go through. And, I suspect that if one of those same people went really deep emotionally they would struggle with what to do when a child goes away.
A moment of silence is in order! Have you grieved personally for those who have become unwilling victims of COVID 19 or have you written them off?
The study of Theology taught me these things and blew my mind. I am forever indebted to Jesus Christ, Lord and Savior.