John 17:12 contains the exact prayer Jesus prayed—that he kept those given him and none perished—which his later words refer to as fulfilled.

John 6:39 records Jesus' earlier promise to lose none given by the Father, which He declares fulfilled at His arrest.

John 17:6 records Jesus' prayer about the disciples given by the Father, providing the specific group He says He lost none of.

John 10:28 expands the promise to eternal security, showing the 'lost none' includes eternal life, not just physical safety.

Zechariah 13:7 foretells the shepherd struck and sheep scattered; Jesus ensures none are lost despite that scattering.

Jeremiah 23:4 promises that under good shepherds none will be missing—Jesus' claim to lose none echoes this messianic prophecy.

Matthew 26:56 says the disciples' flight fulfilled Scripture, while Jesus' words claim he lost none—together showing safety despite desertion.