Mr. Rubin's name was invoked just once.
The act has been invoked just four times since it became law in 1949.
It was invoked just twice before 1980, when it was used by a victim of state repression in Paraguay.
The dogma of papal infallibility, which dates only from 1870, has been invoked just once since then, in 1950, when Pius XII proclaimed the "truth" of the Assumption of the Blessed Virgin Mary.
Over the course of American history, "religious freedom" has been a shape-shifter invoked just as often in the name of prejudice (in 19th-century Protestant campaigns against Catholic schools; in fundamentalist colleges' racial discrimination a hundred years later) as on behalf of liberty.
Admittedly, this is a politically correct viewpoint invoked just to be ironic.
Our molecular phylogenies contradict any scenario invoking just one unique evolutionary transition between single and double karyomastigont morphologies within diplomonads.
Indeed, even though the principle has four basic rules to it, it is heavily burdened on the moral agent to ascertain that it is morally and correctly invoked (just as it takes a moral agent, for example, not to abuse the Abortion Act in the UK).
But that light could also conjure up memories: the elevated tracks and anonymous apartment blocks, to New Yorkers who know them intimately, can invoke not just industrial sprawl or glum urbanism but also a singular beauty and dignity amplified by, and grounded in real, lived experience.
A bird is not human, but a single element in its appearance can invoke humanity, just as a single element in a plant's appearance can distinguish its species.
