Here are some questions that can be derived from the text:

1. What is the significance of the appointed time mentioned?
2. Why does the speaker compare their life to that of a hireling?
3. What does the speaker mean when they say, "I am full of tossings to and fro unto the dawning of the day"?
4. How does the speaker feel about their flesh and skin?
5. Why does the speaker believe their days are swifter than a weaver's shuttle?
6. To whom is the speaker addressing their anguish and bitterness?
7. What is the significance of the dreams and visions mentioned?
8. Why does the speaker loathe their life and wish to be left alone?
9. What transgression and iniquity does the speaker refer to?
10. What is the outcome of the speaker's plea for forgiveness?