New Revised Standard Version
For we wanted to come to you—certainly I, Paul, wanted to again and again—but Satan blocked our way.

Contemporary English Version
We really wanted to come. I myself tried several times, but Satan always stopped us.

New American Bible
We decided to go to you—I, Paul, not only once but more than once—yet Satan thwarted us.

Douay-Rheims Bible
For we would have come unto you, I Paul indeed, once and again: but Satan hath hindered us.

For we would have come unto you, I Paul indeed, once and again: but Satan hath hindered us.

even.

1 Corinthians 16:21 The salutation of me Paul, with my own hand.

Colossians 4:18 The salutation of Paul with my own hand. Be mindful of my bands. Grace be with you. Amen.

2 Thessalonians 3:17 The salutation of Paul with my own hand: which is the sign in every epistle. So I write.

Philemon 1:9 For charity sake I rather beseech, whereas thou art such a one, as Paul, an old man and now a prisoner also of Jesus Christ.

once.

Job 33:14 God speaketh once, and repeateth not the selfsame thing the second time.

Philippians 4:16 For unto Thessalonica also you sent once and again for my use.

Satan.

Zechariah 3:1,2 And the Lord shewed me Jesus the high priest standing before the angel of the Lord: and Satan stood on his right hand to be his adversary. . . .

Romans 1:13 And I would not have you ignorant, brethren, that I have often purposed to come unto you (and have been hindered hitherto) that I might have some fruit among you also, even as among other Gentiles.

Romans 15:22 For which cause also, I was hindered very much from coming to you and have been kept away till now.

2 Corinthians 11:12-14 But what I do, that I will do: that I may cut off the occasion from them that desire occasion: that wherein they glory, they may be found even as we. . . .

Revelation 2:10 Fear none of those things which thou shalt suffer. Behold, the devil will cast some of you into prison, that you may be tried: and you shall have tribulation ten days. Be thou faithful unto death: and I will give thee the crown of life.

Revelation 12:9-12 And that great dragon was cast out, that old serpent, who is called the devil and Satan, who seduceth the whole world. And he was cast unto the earth: and his angels were thrown down with him. . . .