Jesus' resurrection vindicates everything He's ever said as true (Mark 8). It proves His deity (Romans 1). It releases us from bondage (Romans 4:23-25). It entitles Him to and places Him in a position of greatest glory.
Thomas is the peak of the Gospel of John when he exclaims, "My Lord and My God!" John's masterpiece has 7 I Am statements, 7 signs, underscored with his postlude in 20:30-31.
C.S. Lewis put it best: either Jesus is a Liar, a Lunatic, or the Lord. You decide.
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