"When philosophy paints its grey in grey, one form of life has become old, and by means of grey it cannot be rejuvenated, but only known." Georg Wilhelm Friedrich Hegel
Lady Macbeth:
Why did you bring these daggers from the place?
They must lie there. Go carry them, and smear
The sleepy grooms with blood.
Macbeth:
I'll go no more.
I am afraid to think what I have done;
Look on't again I dare not.
Lady Macbeth:
Infirm of purpose!
Give me the daggers. The sleeping and the dead
Are but as pictures; 'tis the eye of childhood
That fears a painted devil.
Macbeth Act 2, scene 2, 45–52