PARAGRAPHAnalysis of 2-D quantu Here I am at the schoo A Gate at the Stairs s How to Enable or Disab Unit15[A Favor at the Sub-threshold channels Cliffnotes on Macbeth. Thomas De Quincey. It was this: The knocking at the gate which succeeds to the murder of Duncan produced to my feelings an effect for which I never could account. The effect was that it reflected back upon the murderer a peculiar awfulness and a depth of solemnity; yet, however obstinately I endeavored with my understanding to comprehend this, for many years I never could see why it should produce such an effect.