opposition~function

Only opposition, only function, either opposition or function, both opposition and function, opposition changing to function, function changing to opposition, between opposition and function, neither opposition nor function, beyond opposition and function...
“The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still retain the ability to function.” The Crack-Up (1936).
 – F. Scott Fitzgerald (1896–1940)