George Haydock's Catholic Commentary
Psalms 30:18
Brought. Protestants, "be silent in the grave," (Haydock) or "in hell." This is a prediction. When I shall ascend the throne, they will be covered with shame. (Calmet) --- Let them enter into themselves before they die. (Haydock) --- Houbigant thinks that the Hebrew had formerly, "let them be silent, and descend into the grave;" which seems judicious. David inveighs against his spiritual enemies, and against manifest impiety. (Berthier)