"This weak flower (...) potion hath residence and medicine power"-friar
.this is symbolic of human weakness, foreshadows how friar will manipulate romeo and juliet
.Shakespeare presents friar this way in order to please the protestant Prince of the time
."medicine" could foreshadow his desire to heal the feud.
. "Power" is linked to how ill-concieved his plan is as it causes romeo and juliets death
."flower" implies he reflects in plants and herbs- he has the power to behave in a corruption way, but also to do good
.stems from his religious authority