opposition between two conflicting forces or ideas
There are many versions of this paradox but they are essentially equivalent: one would get contradictions if one were free to change the past.
A Brief History of Time: And Other Essays
The starkest difference between dictatorships and democracies is that democracies are ruled by laws, and dictatorships are ruled by dictators.
Salon
(Apr 15, 2017)
the manner in which something is expressed in words
Bergquist was friendly and talkative, with an above-normal interest in Norway, where he had roots, and pronounced every Norwegian place name with careful diction.
New York Times
(Mar 11, 2015)