Read the extract and answer the question
If thou hast any sound, or use of voice,
Speak to me;
That may be any good thing to be grace to me,
Speak to me;
If thou art privy to thy country's fate,
Which, happily, foreknowing may avoid,
O, speak!
Or if thou has uphoarded in thy life
Extorted treasure in the womb of earth,
For which, they say, you spirits oft walk in death
Speak of it:
(Act 1 scene one, lines 129-139)
The speaker is