«يُفْشِي الْإِحْسَانَ، وَيُنْشِي الِاسْتِحْسَانَ»
It spreads good work and produces admiration.
Iḥsān denotes excellence or beneficence, while istiḥsān is finding something pleasing or commendable. Parallel verbs and related nouns give the claim musical coherence and present utility as aesthetic achievement.