Commentaries:
Robertson's Word Pictures (NT)
Sealing the stone, the guard being with them (sfragisanthv ton liqon meta thv koustwdiav). Probably by a cord stretched across the stone and sealed at each end as in Daniel 6:17. The sealing was done in the presence of the Roman guard who were left in charge to protect this stamp of Roman authority and power. They did their best to prevent theft and the resurrection (Bruce), but they overreached themselves and provided additional witness to the fact of the empty tomb and the resurrection of Jesus (Plummer).
Other Robertson's Word Pictures (NT) entries containing Matthew 27:66:
John 3:33
Romans 15:28
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