Tafseer Ibn Kathir of AL BAQARAH [9]

يُخَادِعُونَ اللّهَ وَالَّذِينَ آمَنُوا وَمَا يَخْدَعُونَ إِلاَّ أَنفُسَهُم وَمَا يَشْعُرُونَ

They [think to] deceive Allah and those who believe, but they deceive not except themselves and perceive [it] not.