Excerpt 1: read the excerpt from act 3, scene 1 of the tragedy of macbeth. macbeth is thinking about killing banquo. he remembers the witches� prophecy that banquo�s sons will be king after macbeth. in this excerpt, "seed� means "descendants.� [macbeth.] he chid the sisters when first they put the name of king upon me, and bade them speak to him; then, prophet-like, they hail�d him father to a line of kings. upon my head they plac�d a fruitless crown, and put a barren sceptre in my gripe, thence to be wrench�d with an unlineal hand, no son of mine succeeding. if �t be so, for banquo�s issue have i fil�d my mind; for them the gracious duncan have i murder�d; put rancours in the vessel of my peace only for them; and mine eternal jewel given to the common enemy of man, to make them kings, the seed of banquo kings! excerpt 2: read the excerpt from act 3, scene 2 of the tragedy of macbeth. macbeth is speaking with lady macbeth. he suggests that something terrible will happen to banquo and to banquo�s son, fleance, tonight. macbeth. be innocent of the knowledge, dearest chuck, till thou applaud the deed. come, seeling night, scarf up the tender eye of pitiful day, and with thy bloody and invisible hand cancel and tear to pieces that great bond which keeps me pale! light thickens, and the crow makes wing to the rooky wood; good things of day begin to droop and drowse, [while] night�s black agents to their preys do rouse. thou marvell�st at my words: but hold thee still; things bad begun make strong themselves by ill: so, prithee, go with me. how does the universal theme "the quest for power� relate to the universal theme "the relationship between violence and human nature� in these excerpts? macbeth is willing to share power with banquo to avoid more violence. macbeth is willing to use violence to keep himself and his descendants in power. macbeth knows that attaining power makes him susceptible to violence. macbeth knows that banquo will resort to violence to take away his power.