كَتَبَ ٱللَّهُ لَأَغۡلِبَنَّ أَنَا۠ وَرُسُلِيٓۚ إِنَّ ٱللَّهَ قَوِيٌّ عَزِيزٞ ٢١
Allāh has written [i.e., decreed], "I will surely overcome, I and My messengers." Indeed, Allāh is Powerful and Exalted in Might.
Translation: Saheeh International (English)
Each word's meaning and sound
Allah has decreed in His prevailing knowledge that He and His messengers will definitely be victorious over His enemies with strength and evidence. Indeed, Allah has the power to help His messengers, and is the Almighty who can take retribution from His enemies.
Al-Mukhtasar in interpreting the Noble Quran