The porter in Macbeth's castle provides
for this tragedy

The significance of the Porter within Macbeth is twofold. Primarily, the Porter functions as comic relief, lessening the tension in the audience after the murder of King Duncan. The Porter also serves a thematic function, indicating that the gates to Macbeth's home are synonymous with the gates of hell.

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.