Quicksilver

Quicksilver, always liquid, corrodes metals.

Mercury is also known as quicksilver.

The alchemist tried unsuccessfully to convert quicksilver into gold.

Quicksilver is also known as mercury.

Summer is not the most auspicious season for theater in New York. Aside from a few certifiable Broadway hits, it is, in fact, a rather quicksilver commodity.

The idea of a merchant selling both totems of pure evil and frozen yogurt (he calls it frogurt!) is amusing in itself, as is the idea that frogurt could be cursed, but it’s really the Shopkeeper’s quicksilver shift from ominous doomsaying to chipper salesmanship that sells the sequence.