wow, I think I just managed to pass my first test in Parseltongue, here is the solution:
Power hungry Slytherin
loved those of great ambition.
- sorting hat in Goblet of Fire in his song
In Slytherin you'll make
your real friends,
Those cunning folk use any
To achieve their ends.
-sorting hat in Philosophers Stone in his song
There is no good and evil, there is only power and
those too weak to seek it.
- Professor Quirrel to Harry in Philosophers Stone