They are the yin and the yang of the whole film and they dance the dialectic to perfection.
He had five-year plans and seven-year plans by the bushel-full, and he never lost faith in the dialectic.
The historian Arnold Toynbee famously theorized that history proceeds by a special type of dialectic: challenge and response.
1580s, earlier dialatik (late 14c.), from Old French dialectique (12c.), from Latin dialectica, from Greek dialektike (techne) "(art of) philosophical discussion or discourse," fem. of dialektikos "of conversation, discourse," from dialektos "discourse, conversation" (see dialect). Originally synonymous with logic; in modern philosophy refined by Kant, then by Hegel, who made it mean "process of resolving or merging contradictions in character." Related: Dialectics.