Read the excerpt from act 1, scene 7 of The Tragedy of Macbeth.Macbeth. If it were done when ’tis done, then ’twere wellIt were done quickly; if the assassinationCould trammel up the consequence, and catchWith his surcease success; that but this blowMight 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 casesWe still have judgment here; that we but teachBloody instructions, which, being taught, returnTo plague the inventor; this even-handed justiceCommends the ingredients of our poison’d chaliceTo our own lips. He’s here in double trust:First, as I am his kinsman and his subject,Strong both against the deed; then, as his host,Who should against his murderer shut the door,Not bear the knife myself. Besides, this DuncanHath borne his faculties so meek, hath beenSo clear in his great office, that his virtuesWill plead like angels trumpet-tongu’d againstThe deep damnation of his taking-off