How does Joseph Ellis use imagery in American Sphinx?

Examples of Imagery:

"During the debate Jefferson sat silently and sullenly, regarding each proposed revision as another defacement."

'Nothing is more certainly written in the book of fate than that these people are to be free. Indeed I tremble for my country when I reflect that God is just, that his justice cannot sleep forever, that considering numbers, nature and natural means only, a revolution of the wheel of fortune, an exchange of situation, is among possible events...The Almighty has no attribute which can take sides with us in such a contest."'