MACBETH

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'ld jump the life to come. But in these cases

We still have judgment 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. 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 Duncan

Hath borne his faculties so meek, hath been

So