"If it were done when 'tis done, then 'twere well It were done quickly. If the assassination Could trammel up the consequence, and catch, With his surcease, success; that but this blow Might be the be-all and the end-all — here, But here, upon this bank and shoal of time, — We'd jump the life to come. But in these cases We still have judgement here; that we but teach Bloody instructions, which being taught, return To plague the inventor: this even-handed justice Commends the ingredients of our poison'd chalice To our own lips."