sed communicantes Christi passionibus gaudete, ut et in revelatione gloriæ ejus gaudeatis exsultantes.
But if you partake of the sufferings of Christ, rejoice that, when his glory shall be revealed, you may also be glad with exceeding joy.
Sed communica de Christo passiones gaude, ut et in revelatione de gloria de illo gaude exsulta.