Elias Nason, The Life and Times of Charles Sumner: His Boyhood, Education and Public Career.

Never had the slaveholding power received a deadlier blow. In the course of his remarks, he had spoken somewhat freely of the chivalry of Mr. Butler, and of the sectionalism of South Carolina. It must be remembered, however, that for four long years he had patiently borne the systematic assaults of this senator, and that there is a time when “forbearance ceases to be a virtue.” “The senator from South Carolina has applied to my colleague,” said Mr. Wilson, in his strong defence of Mr. Sumner delivered in the senate on the thirteenth day of June, “every expression calculated to wound the sensibilities of an honorable man, and to draw down upon him sneers, obloquy, and hatred, in and out of the senate. In my place here, I now pronounce these continued assaults upon my colleague unparalleled in the history of the senate. . . . The speech was indeed severe,--severe as truth,--but in all respects parliamentary. It is true that it handles the senator from South Carolina freely; but that senator had spoken repeatedly in the course of the Kansas debate, once at length and elaborately, and ”