New Revised Standard Version
Therefore I want you to understand that no one speaking by the Spirit of God ever says “Let Jesus be cursed!” and no one can say “Jesus is Lord” except by the Holy Spirit.

Contemporary English Version
Now I want you to know that if you are led by God's Spirit, you will say that Jesus is Lord, and you will never curse Jesus.

New American Bible
Therefore, I tell you that nobody speaking by the spirit of God says, “Jesus be accursed.” And no one can say, “Jesus is Lord,” except by the holy Spirit.

Douay-Rheims Bible
Wherefore, I give you to understand that no man, speaking by the Spirit of God, saith Anathema to Jesus. And no man can say The Lord Jesus, but by the Holy Ghost.

Wherefore, I give you to understand that no man, speaking by the Spirit of God, saith Anathema to Jesus. And no man can say The Lord Jesus, but by the Holy Ghost.

no man.

Mark 9:39 But Jesus said: Do not forbid him. For there is no man that doth a miracle in my name and can soon speak ill of me.

John 16:14,15 He shall glorify me: because he shall receive of mine and shall shew it to you. . . .

1 John 4:2,3 By this is the spirit of God known. Every spirit which confesseth that Jesus Christ is come in the flesh is of God: . . .

accursed.

1 Corinthians 16:22 If any man love not our Lord Jesus Christ, let him be anathema, maranatha.

Deuteronomy 21:23 His body shall not remain upon the tree, but shall be buried the same day: for he is accursed of God that hangeth on a tree: and thou shalt not defile thy land, which the Lord thy God shall give thee in possession.

Galatians 3:13 Christ hath redeemed us from the curse of the law, being made a curse for us (for it is written: Cursed is every one that hangeth on a tree).

no man.

1 Corinthians 8:6 Yet to us there is but one God, the Father, of whom are all things, and we unto him: and one Lord Jesus Christ, by whom are all things, and we by him.

Matthew 16:16,17 Simon Peter answered and said: Thou art Christ, the Son of the living God. . . .

John 13:13 You call me Master and Lord. And you say well: for so I am.

John 15:26 But when the Paraclete cometh, whom I will send you from the Father, the Spirit of truth, who proceedeth from the Father, he shall give testimony of me.

2 Corinthians 3:5 Not that we are sufficient to think any thing of ourselves, as of ourselves: but our sufficiency is from God.

2 Corinthians 11:4 For if he that cometh preacheth another Christ, whom we have not preached; or if you receive another Spirit, whom you have not received; or another gospel, which you have not received: you might well bear with him.