What one expected of the Slytherins

In the 1997-1998 school year, for the Carrows the Gryffindors are meant to act imprudently and to be caught, the boring Ravenclaws to stay sensibly out of it, the oppressed Hufflepuff to lay assiduously low… and everybody expects of the Slytherins – with fierceness or aversion – to take the course of action of future officers of the high Pure-Blood Society.