"When such crimes are perpetrated the public mind is apt to fall into gloom and perplexity, for it is ignorant alike of the causes and the consequences of such deeds. But it is one of our duties to reassure them under unreasoning panic and despondency. Assassination has never changed the history of the world. I will not refer to the remote past, though an accident has made the most memorable instance of antiquity at this moment fresh in the minds and memory of all around me. But even the costly sacrifice of a Caesar did not propitiate the inexorable destiny of his country."