He means mischief is the thoughts f a desperate man he thinks bad things because he is a impatient person
Judging from other sources where the manual is shown:
numbering is the answer
The author would pay attention to small details because some small details are very important.
the third one down is all on u
i would help her learn sign language or something that she could use to be able to "speak" to others.
idk about the first one because it's been awhile since i had read the book
I think the answer would be parallelism.