To him give all the prophets witness. — As in St. Peter’s earlier speeches in Acts 2:3 so here, we trace the result of our Lord’s teaching given in the interval between the Resurrection and Ascension as to the method of prophetic interpretation which discerns, below all temporary and historical references, the under-current of testimony to the kingdom of which Christ was the Head.
That through his name.... — We can without difficulty represent to ourselves the impression which these words must have made on the anxious listeners. This was the answer to their doubts and perplexities. Not by submitting themselves to the bondage of the Law, not by circumcision and all that it implied, but by the simple act of faith in Christ, and in the power of His Name, i.e., of all the attributes and energies of which the Name was the symbol, they, Gentiles as they were, might receive that remission of sins which conscience, now roused to its full activity, taught them was the indispensable condition of acceptance and of peace. The intensity of that emotion, the satisfaction of all their previous yearnings, placed them subjectively in a spiritual condition which prepared the way for the wonder which the next verse narrates.