Final answer:
McMurphy is driven by a desire for freedom and rebellion against authority, as realized by Bromden in 'One Flew Over the Cuckoo's Nest.
Step-by-step explanation:
Bromden realizes that McMurphy is driven by a desire for freedom and rebellion against authority in the novel 'One Flew Over the Cuckoo's Nest.'
McMurphy's actions and behavior throughout the story demonstrate his resistance to conformity and his determination to challenge the oppressive system of the mental institution.
Through McMurphy's interactions with the other patients and his defiance against Nurse Ratched, Bromden comes to understand that McMurphy's motivations lie in his pursuit of personal freedom and his intent to empower others.