'Now Concerning' in the Bible

Now concerning the resurrection of the dead, haven’t you read what was spoken to you by God:

“Now concerning that day and hour no one knows—neither the angels in heaven, nor the Son —except the Father only.

Now concerning the dead being raised—haven’t you read in the book of Moses, in the passage about the burning bush, how God spoke to him: I am the God of Abraham and the God of Isaac and the God of Jacob?

“Now concerning that day or hour no one knows—neither the angels in heaven nor the Son—except the Father.

Now concerning the ministry to the saints, it is unnecessary for me to write to you.

Now concerning the coming of our Lord Jesus Christ and our being gathered to Him: We ask you, brothers,