Who satisfies your mouth with good things; so that your youth is renewed like the eagle's.
Read Chapter 103
Augustine of Hippo
7. After the battle, then, I shall be crowned; after the crown, what shall I do? "He who satisfieth thy longing with good things" (ver. 5). ...Seek thy own good, O soul. For one thing is good to one creature, another to another, and all creatures have a certain good of their own, to the completeness and perfection of their nature. There is a difference as to what is essential to each imperfect thing, in order that it may be made perfect; seek for thy own good. "There is none good but One, that is, God." The highest good is thy good. What then is wanting unto him to whom the highest good is good? For there are inferior goods, which are good to different creatures respectively. What, brethren, is good unto the cattle, save to fill the belly, to prevent want, to sleep, to indulge themselves, to exist, to be in health, to propagate? This is good to them: and within certain bounds it hath an allotted measure of good, granted by God, the Creator of all things. Dost thou seek such a good as t...
Eagle's. Which get fresh feathers every year, like other birds, Isaias xl. 31. (Calmet)
The eagle retains its vigour for a long time, (Haydock) though many fabulous accounts have been given of its renovation. (Berthier)
The new birth in baptism, (Theodoret) or by faith, (Eusebius) or the resurrection of Christ are thus insinuated, (St. Leo, ser. i.) as well as (Haydock) our resurrection and state of grace. The one is necessarily connected with the other, and both senses are good. (Worthington)