'Concerning' in the Bible

and said to Him, “If You are the Son of God, throw Yourself down. For it is written:He will give His angels orders concerning you,and they will support you with their handsso that you will not strikeyour foot against a stone.”

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.