Read this passage
MACBETH. But in these cases
We still have judgment here, that we but teach
Bloody Instructions, which, being taught, return
To plague th' Inventor: this even-handed justice
Commends the ingredients of our poisoned chalice
To our own lips.
--William Shakespeare, Macbeth, Act I, Scene vil
Which translation of the passage best explains Macbeth's reasoning for not
murdering Duncan?