The psalmist's words sound particularly forceful if one thinks about the brevity of life on earth: "The contemplative life of the Prophet compels him -- if such an expression may be used -- to place himself at the end of time. There, seeing the frailty of all things, which because they are of this world wither with age, he dedicates himself to giving praise to God. The end of the world will come quickly to us all: it will come at the moment of our death, when the ties that bind us to everything around us are severed. We will then turn our desires to the activity that will be ours eternally -- the giving of praise" ( Cassidorus, Expositio psalmorum, 146).

This psalm arrangement is used in the Mass liturgy on the following Sundays:
• 23rd Sunday in Ordinary Time, Year B
• 32nd Sunday in Ordinary Time, Year B
• 26th Sunday in Ordinary Time, Year C