'It is the Lord' in the Bible

I am aware of nothing against myself and I feel blameless, but I am not by this acquitted [before God]. It is the Lord who judges me.

It is the Lord who has made payment for you: be not servants of men.

For a man puts himself in danger, if he takes part in the holy meal without being conscious that it is the Lord's body.

If any one thinks himself to be a prophet or spiritual, let him recognise the things that I write to you, that it is the Lord's commandment.