Charles Spurgeon Commentary Mark 15:29-32

"And they that passed by railed on him, wagging their heads, and saying, Ha! Thou that destroyest the temple, and buildest it in three days, save thyself, and come down from the cross. In like manner also the chief priests mocking [him] among themselves with the scribes said, He saved others; himself he cannot save. Let the Christ, the King of Israel, now come down from the cross, that we may see and believe. And they that were crucified with him reproached him." — Mark 15:29-32 (ASV)

And those who passed by railed on him, wagging their heads, and saying, Ah, you who destroy the temple and build it in three days, save yourself and come down from the cross. Likewise also the chief priests, mocking, said among themselves with the scribes, He saved others; himself he cannot save. Let Christ the King of Israel descend now from the cross, that we may see and believe.

That is the world's way: "that we may see and believe." But Christ's way is, "Believe, and you shall see." Christ off the cross is admired by worldly people, but Christ on the cross is our hope and mainstay, especially as we know that this same Christ is now on the throne waiting for the time when he should return to claim his own, all who have trusted in the Crucified.