"Wa-sta'jiz al-kalaama man laa yajhalu" (And consider speech impossible for one who is ignorant [of grammar]).
The poem is divided into chapters covering the foundational "building blocks" of the Arabic language: alfiyyah ibn malik english translation pdf
Visit Shamela.ws (for Arabic text) and use browser translation for the commentary. Or, purchase a used physical copy of any partial commentary from AbeBooks or eBay and scan it for personal use. "Wa-sta'jiz al-kalaama man laa yajhalu" (And consider speech