The stone which the builders refused - See the notes at Matthew 21:42-43. Compare Mark 12:10-11; Acts 4:11; 1 Peter 2:7. This is an allusion to a building, as if a stone should be cast away by workmen as unfit to be worked into the edifice. The figure would then be applicable to anyone who, for any purpose, was rejected. Thus it might have been applied many a time to David; so, doubtless, to others who urged claims to authority and power; and so, eminently, to the Lord Jesus Christ. We are not to suppose that this had original reference to the Messiah, but the language was applicable to him; and it is used in the passages above referred to, in addresses to the Jews, merely to show them how the principle was found in their own writings, that one who was rejected, like a stone regarded as unfit to be worked into any part of a building, might be in reality so important that it would be laid yet at the very corner, and become the most valuable stone in the edifice - that on which the whole superstructure would rest.
Is become the head stone of the corner - The principal stone placed at the corner of the edifice. This is usually one of the largest, the most solid, and the most carefully constructed of any in the edifice. Of course one would be needed at each corner of the building to constitute a firm support, but usually there is one placed at one corner of an edifice larger and more carefully made than the others, often laid with imposing ceremonies, and prepared to contain whatever it may be thought necessary to deposit in the foundation of the building to be transmitted to future times as preserving the names of the builders, or expressing the design of the edifice. Such a position he who had been rejected was to occupy in the civil polity of his country; such a position eminently the Lord Jesus occupies in relation to the church. Ephesians 2:20.