'Concerning' in the Bible

Now concerning virgins, although I do not have any command from the Lord, I will give you my opinion as one who by the Lord's mercy is trustworthy.

Now concerning food offered to idols: We know that we all possess knowledge. Knowledge puffs up, but love builds up.

Now concerning eating food offered to idols: We know that no idol is real in this world and that there is only one God.

If anyone is hungry, he should eat at home, so that when you gather it may not bring judgment on you. And when I come I will give instructions concerning the other matters.

Now concerning spiritual gifts, brothers, I don't want you to be ignorant.

Now concerning the collection for the saints, you should follow the directions I gave to the churches in Galatia.

Now concerning our brother Apollos, I strongly urged him to visit you with the other brothers, but he was not inclined to do so just now. However, he will visit you when the time is right.