Any hint in the Bible why John Mark left Paul and Barnabas went back to Jerusalem?

Now when Paul and his company loosed from Paphos, they came to Perga in Pamphylia: and John departing from them returned to Jerusalem. Acts 13:13 KJV I can only assume as everyone else. I am of the opinion that John Mark was a young man and not quite ready for the rigors of Paul’s ministry. […]

Are Angels Immortal?

And Jesus answering said unto them, The children of this world marry, and are given in marriage: 35But they which shall be accounted worthy to obtain that world, and the resurrection from the dead, neither marry, nor are given in marriage: 36Neither can they die any more: for they are equal unto the angels; and […]