Why does Jesus quote Zechariah 13:7?

In Matthew 26:31, Jesus says this: “Then Jesus said to them, “This night you will all fall away because of me, for it is written: ‘I will strike the shepherd, and the sheep of the flock will be scattered.’” ‭‭Matthew‬ ‭26‬:‭31‬ ‭NET‬‬ Ze...