Surah An-Nisa 4:45

وَٱللَّهُ أَعْلَمُ بِأَعْدَآئِكُمْ ۚ وَكَفَىٰ بِٱللَّهِ وَلِيًّا وَكَفَىٰ بِٱللَّهِ نَصِيرًا

And Allāh is most knowing of your enemies; and sufficient is Allāh as an ally, and sufficient is Allāh as a helper.

Translation: Saheeh International

Tafsir

God has better knowledge of your enemies than you do and He informs you of them in order that you avoid them. God suffices as a Protector a Preserver of you from them God suffices as a Helper defending you against their plotting.

Excerpt from Tafsir al-Jalalayn, commentary on 4:45, via Quran.com. The reader has the full commentary and 9 more tafsirs.