"The provision of the Constitution that "the privilege of the writ of habeas corpus shall not be suspended unless when, in cases of rebellion or invasion, the public safety may require it" is equivalent to a provision — is a provision — that such privilege may be suspended when, in cases of rebellion or invasion, the public safety does require it. It was decided that we have a case of rebellion and that the public safety does require the qualified suspension of the privilege of the writ which was authorized to be made. Now it is insisted that Congress, and not the Executive, is vested with this power; but the Constitution itself is silent as to which or who is to exercise the power; and as the provision was plainly made for a dangerous emergency, it can not be believed the framers of the instrument intended that in every case the danger should run its course until Congress could be called together, the very assembling of which might be prevented, as was intended in this case, by the rebellion."