It will have blood, they say; blood will have blood

Macbeth
It will have blood, they say; blood will have blood.
Stones have been known to move, and trees to speak.
Augurs and understood relations have
By maggot pies and choughs and rooks brought forth
The secret’st man of blood.—What is the night?

I am in blood
Stepped in so far that, should I wade no more,
Returning were as tedious as go o’er.

Lady Macbeth
Almost at odds with morning, which is which.
Macbeth
How say’st thou that Macduff denies his person
At our great bidding?
Lady Macbeth
Did you send to him, sir?
Macbeth
I hear it by the way; but I will send.
There’s not a one of them but in his house
I keep a servant fee’d. I will tomorrow
And betimes I will to the Weïrd Sisters.
More shall they speak, for now I am bent to know
By the worst means the worst. For mine own good,
All causes shall give way. I am in blood
Stepped in so far that, should I wade no more,
Returning were as tedious as go o’er.
Strange things I have in head that will to hand,
Which must be acted ere they may be scanned.
Lady Macbeth
You lack the season of all natures, sleep.
Macbeth
Come, we’ll to sleep. My strange and self-abuse
Is the initiate fear that wants hard use.
We are yet but young in deed.
 They exit.