Joy follows up the rejoice of the greeting. The all has the sense of wholly. Count it a thing wholly joyful, without admixture of sorrow. Perhaps, as Bengel suggests, the all applies to all kinds of temptations.
Lit., whenever: better, because it implies that temptation may be expected all along the Christian course.
Ye fall into (περιπέσητε)
The preposition περί, around, suggests falling into something which surrounds. Thus Thucydides, speaking of the plague at Athens, says, “The Athenians, having fallen into (περιπεσόντες) such affliction, were pressed by it.”
Rev., manifold. See on 1Pe 1:6.
In the general sense of trials. See on Mat 6:13; and 1Pe 1:6.