The Glory of the Good we do belongs to GOD (not us).

True religion is about pleasing God and serving His interest, for hypocrites however, religion is all about pleasing people and serving their own interest. So, just as there is such a thing as temporal blessing, we ought to understand that these hypocrites who do good to serve their own interest and rewarded in full here on earth itself, where their every blessing is susceptible to the destruction/corruption of moth and vermin, possibly reflecting their own spiritual condition before God.

Mustard Seed Faith Avails God’s Strength

so if we are to boast, we are to boast in the Lord & think less of ourselves to the extent of boasting in our weakness, which is spiritual prostration in revealing how much we really love the Lord our God who is worthy of true worship