(An-Naml) 27 : 50
وَمَكَرُوا مَكْرًا وَمَكَرْنَا مَكْرًا وَهُمْ لَا يَشْعُرُونَ
And they plotted a plot, and We also plotted a plot while they perceive it not.
See explanation 3: 54-55; 11: 53-56 and 14: 46-47.