John Calvin Commentary Philippians 2:18

"and in the same manner do ye also joy, and rejoice with me." — Philippians 2:18 (ASV)

Rejoice ye. By the eagerness he thus reveals, he encourages the Philippians and kindles in them a desire to meet death with firmness, since believers suffer no harm from it.

For he has previously taught them that death would be gain to himself (Philippians 1:21); here, on the other hand, he is chiefly concerned that his death may not unsettle the Philippians. He, accordingly, declares that it is no reason for sorrow; indeed, that they have reason for joy, since they will find it to be advantageous.

For, although it was in itself a serious loss to be deprived of such a teacher, it was a significant compensation that the gospel was confirmed by his blood. Meanwhile, he lets them know that to himself personally death would be a cause for joy.

The rendering of Erasmus, taking it in the present tense as Ye rejoice, is completely unsuitable.