I will praise you forever, because you have done it: and I will wait on your name; for it is good before your saints.
All Commentaries on Psalms 52:9 Go To Psalms 52
Eusebius of Caesarea
AD 339
Now, he pointed out that the end of the one who is powerful in wickedness is uprooting and destruction. For it was necessary for the root that bears bitter fruit to be †------ off† by the wise farmer of the universe. But David, like a fruitful olive tree in the house of God, put his hope in the mercy of God for ever, even forever and ever, procuring for himself immortality and eternal life on the basis of his good hope, from which he will never fall away. For according to the Apostle, "hope does not put us to shame." Then, having sketched out good hopes for himself as it were on the basis of good fruits, he attributes the responsibility [for all this] to the provider of all good things, saying: "I shall praise you forever, because you did [this]." For (he says) I did not make myself like a fruitful olive tree, but rather, you did. For grace comes from you. And so I will never cease from the knowledge of your grace, and from praising you; having once put my hope in the mercy of God, "I shall patiently await his name." For once the foundation of good hope has been established, we need patience. Therefore, he says, "I shall patiently await your name, because it is beneficial before your holy ones"—or, according to Symmachus' translation: "…because your name is good in front of your holy ones." Knowing, therefore, that it is good, and productive of good—not for those who are powerful in wickedness nor for those who are to be cast out from among the living, but to the holy ones, he quite rightly said, "I shall patiently await your name," being hopeful that I will never fall out of your mercy. In this way, I have put my hope in him forever, even for ever and ever.