Muhammad said: "Makar" (scheming) on the part of people is deception, whereas from Allah, it is retribution; He recompenses those who scheme with their own scheming.
قَالَ مُحَمَّد: الْمَكْر من النَّاس الخديعة، وَهُوَ من الله (ل ٤٦) الْجَزَاء، يجازي من مكر بمكره.