A pause of greater or less duration is always required whenever an
interruption occurs in the progress of a thought, or the uniform
construction of a sentence, as in the case of the dash, the exclamation,
the parenthesis, etc. In these cases the mind is supposed to be arrested by
the sudden change of sentiment or passion. It is necessary in most cases to
make a short pause just before the parenthesis, which read more rapidly,
and in a more subdued tone; when the parenthesis is concluded, resume your
former pitch and tone of voice.

EXAMPLES OF RHETORICAL PAUSES.

(1.) After the subject of a sentence:
Wine | is a mocker.

(2.) After the subject-phrase:
The fame of Milton | will live forever.

(3.) When the subject is inverted:
The best of books | is the Bible.

(4.) Before the prepositional phrase:
The boat is sailing | across the river.

(5.) After every emphatic word:
_William_ | is an honest boy.
William _is_ | an honest boy.
William is an _honest_ | boy.

(6.) Whenever an ellipsis occurs: