Verse 1
Wherefore when we could no longer forbear, we thought it good to be left at Athens alone;
We — Paul and Silvanus.
Could bear no longer — Our desire and fear for you.
Verse 3
That no man should be moved by these afflictions: for yourselves know that we are appointed thereunto.
We are appointed hereto — Are in every respect laid in a fit posture for it, by the very design and contrivance of God himself for the trial and increase of our faith and all other graces. He gives riches to the world; but stores up his treasure of wholesome afflictions for his children.
Verse 6
But now when Timotheus came from you unto us, and brought us good tidings of your faith and charity, and that ye have good remembrance of us always, desiring greatly to see us, as we also to see you:
But now when Timotheus was come to us from you — Immediately after his return, St. Paul wrote; while his joy was fresh, and his tenderness at the height.
Verse 8
For now we live, if ye stand fast in the Lord.
Now we live — Indeed; we enjoy life: so great is our affection for you.
Verse 10
Night and day praying exceedingly that we might see your face, and might perfect that which is lacking in your faith?
And perfect that which is wanting in your faith — So St. Paul did not know that "they who are once upon the rock no longer need to be taught by man."
Verse 11
Now God himself and our Father, and our Lord Jesus Christ, direct our way unto you.
Direct our way — This prayer is addressed to Christ, as well as to the Father.
Verse 13
To the end he may stablish your hearts unblameable in holiness before God, even our Father, at the coming of our Lord Jesus Christ with all his saints.
With all his, Christ's, saints - Both angels and men.