How does Samuel Richardson use imagery in Pamela, or, Virtue Rewarded?

Imagery:

"An hour of innocence is worth an age of guilt; and were my life to be made ever so miserable by it, I should never forgive myself, if I were not to lengthen out to the longest minute my happy time of honesty. Who knows what Providence may do for me!"

"There, take up that fallen angel!—Once I thought her as innocent as an angel of light but I have now no patience with her. The little hypocrite prostrates herself thus, in hopes to move my weakness in her favour, and that I'll raise her from the floor myself. But I shall not touch her: No, let such fellows as Williams be taken in by her artful wiles! I know her now, and see she is for any fool's turn, that will be caught by her."