Quran 8:71 from Surah Al-Anfaal on Divine Marvels.
وَإِن يُرِيدُواْ خِيَانَتَكَ فَقَدۡ خَانُواْ ٱللَّهَ مِن قَبۡلُ فَأَمۡكَنَ مِنۡهُمۡۗ وَٱللَّهُ عَلِيمٌ حَكِيمٌ
English translation: But if they intend (to) betray you certainly they have betrayed Allah from before So He gave (you) power over them And Allah (is) All-Knower All-Wise
Transliteration: wa-in yuridu khiyanataka faqad khanu al-laha min qablu fa-amkana min'hum wal-lahu alimun hakimun