Matthew 20:23

23He said to them, a“You will drink bmy cup, but to sit at my right hand and at my left is not mine to grant, cbut it is for those for whom it has been dprepared by my Father.”

Mark 10:40

40but to sit at my right hand or at my left is not mine to grant, ebut it is for those for whom it has been fprepared.”
Copyright information for ESV