Sufficiency
Yet I approve of the common reading, that He alone bore the punishment of many, because the guilt of the whole world was laid upon Him. It is evident from other passages ... that 'many' sometimes denotes 'all'...That, then, is how our Lord Jesus bore the sins and iniquities of many. But in fact, this word 'many' is often as good as equivalent to 'all'. And indeed, our Lord Jesus was offered to all the world. For it is not speaking of three or four when it says: 'God so loved the world, that He spared not His only Son.' (John 3:16). But yet we must notice what the Evangelist adds in this passage: 'That whosoever believes in Him shall not perish but obtain eternal life.' Our Lord Jesus suffered for all and there is neither great nor small who is not inexcusable today, for we can obtain salvation in Him ... Let us not fear to come to Him in great numbers, and each one of us bring his neighbors, seeing that He is sufficient to save us all.
John Calvin, Sermons on Isaiah's Prophecy of the Death and Passion of Christ (London: James Clarke & Co, 2002), 136