Song, though, is the latest in a line of players to have developed impressively at Arsenal, only to leave.
This criticism is unsatisfying to a modern reader because it is so terse and unanalytical, but it nevertheless marks a beginning of Japanese poetic criticism, an art that developed impressively during the course of the Heian period.
The midfielder followed a somewhat disappointing stint at Sevilla with a relatively slow start to life in Monaco but he developed impressively last season to earn a rating of 7.26 in Ligue 1.
Aged "two to the power of five" – or 32 – Parker, originally from Perth in Australia, is developing an impressively eclectic CV.
For now, before the true testing ground of the Six Nations, let's call it a soft recovery from a team that are developing an impressively clinical edge.
For a lady who has somehow managed to tame not one, but two crocodiles to be her pets while developing an impressively nimble affinity for water skiing, you might think Medusa would have a certain cleverness about her... although apparently not enough to avoid being tripped up by a couple of well-prepared mice.
Since the discovery of the hot springs in the 1940s, by an oil exploration team wildcatting along the Argentine border, Uruguay has developed an impressively varied string of private resorts, public campgrounds, water parks and dude ranches.
"He has found his own way and developed extremely impressively and he doesn't need so much management," Wolff says.
Fiji's standing in the developing world was impressively displayed in early 2012 when Prime Minister Bainimarama became chair of the International Sugar Council (ISC) for a year.
He has also created several memorable characters, impressively developed by this cast.
