Pro C. Rabirio Perduellionis Reo Ad Quirites

Although, O Romans, it is not my custom at the beginning of a speech to give any reason why I am defending each particular defendant, because I have always considered that the mere fact of the danger of any citizen was quite sufficient reason for my considering myself connected with him, still, in this instance, when I come forward to defend the life, and character, and all the fortunes of Caius Rabirius, I think I ought to give a reason for my undertaking this duty; because the very same reason which has appeared to me a most adequate one to prompt me to undertake his defence, ought also to appear to you sufficient to induce you to acquit him.