Isaiah 63:19

19.We have been of old. The words of the Prophet admit of two meanings. Some view this passage in such a light as if the people argued with God on this ground, that they were elected at that time when the rest of the nations were rejected, and that this covenant was ratified “from of old,” that is, for a long period. Another meaning, which I prefer, is this, that the people argue with God, and complain that they seem as if they did not differ at all from unbelievers; that is, because they receive from him no assistance or relief in adversity, which is unreasonable and improper. This statement is remarkable and worthy of notice; for, whenever we are oppressed beyond measure with adversity, we are permitted to complain to God, and to represent to him our calling, that he may render assistance, and shew how wide a difference there is between us and strangers.

On whom thy name hath not been called. This is of the same import with what goes before; for it means that the calling of God must not be made void. And indeed the Lord does not wish that we should call upon him in vain; for prayers would be unprofitable and useless, if the Lord took no care of us. Now, the Church is distinguished by this mark, that “his name is called upon her.” Unbelievers cannot call upon him; for there is no access to him but through the word, of which they have no knowledge; and therefore, wherever there is faith, there is also calling on him; and if there be no faith, it is certain that there is no hope or confidence.