At first the promise is presented in the negative form of rest from labour. Even the Creator condescended thus to rest. But what _such_ rest can be to God it were vain for man to try to conceive. We know that, as soon as the foundations of the world were laid and the work of creation was ended, God ceased from this form of activity. But when this negative rest had been attained, it was far from realising God's idea of rest either for Himself or for man. For, though these works of God, the material universe, were finished from the laying of the world's foundations to the crowning of the edifice,[49] God still speaks of another rest, and threatens to shut some men out for their unbelief. Our Lord told the Pharisees, whose notion of the Sabbath was the negative one, that He desired His Sabbath rest to be like that of His Father, Who "worketh hitherto." The Jewish Sabbath, it appears, therefore, is the most crude and elementary form of God's promised rest.
The promise is next presented as the rest of Canaan.[50] This is a stage in advance in the development of the idea. It is not mere abstention from secular labour, and the consecration of inactivity. The rest now consists in the enjoyment of material prosperity, the proud consciousness of national power, the growth of a peculiar civilization, the rise of great men and eminent saints, and all this won by Israel under the leadership of their Jesus, who was in this respect a type of ours. But even in this second garden of Eden Israel did not attain unto God's rest. Worldliness became their snare.
But God still called to them by the mouth of the Psalmist, long after they had entered on the possession of Canaan. This only proves that the true rest was still unattained, and God's promise not yet fulfilled. The form which the rest of God now assumed is not expressly stated in our passage. But we have not far to go in search of it. The first Psalm, which is the introduction to all the Psalms, declares the blessedness of contemplation. The Sabbath is seldom mentioned by the Psalmist. Its place is taken by the sanctuary, in which rest of soul is found in meditating on God's law and beholding the Lord's beauty.[51] The call is at last urgent. "To-day!" It is the last invitation. It lingers in the ears in ever fainter voice of prophet after prophet, until the prophet's face turns towards the east to announce the break of dawn and the coming of the perfect rest in Jesus Christ. God's promise was never fulfilled to Israel, because of their unbelief. But shall their unbelief make the faithfulness of God of none effect? God forbid. The gifts and calling of God are without repentance. The promise that has failed of fulfilment in the lower form must find its accomplishment in the higher. Even a prayer is the more heard for every delay. God's mill grinds slowly, but for that reason grinds small. What is the inference? Surely it is that the Sabbath rest still remains for the true people of God. This Sabbath rest St. Paul prayed that the true Israel, who glory, not in their circumcision, but in the Cross of our Lord Jesus Christ, might receive: "_Peace_ be upon them, and mercy, and upon the Israel of God."[52]
The faithfulness of God to fulfil His promise in its higher form is proved by His having accomplished it in its more elementary forms to every one that believed. "For he that entered into God's rest did actually rest from his works"[53]--that is to say, received the blessings of the Sabbath--as truly as God rested from the work of creation. The Apostle's practical inference is couched in language almost paradoxical: "Let us _strive_ to enter into God's _rest_"--not indeed into the rest of the Old Testament, but into the better rest which God now offers in His Son.