Quote by Cassandra Clare
Being Jem, Tessa reflected, must be a great deal like being the owner of a thouroughbred dog that liked to bite your guests. You had to have a hand on his collar constantly.
Summary
This quote describes what it feels like to be Jem, comparing him to an owner of a thoroughbred dog with a biting tendency. To keep the dog in control, the owner needs to have a constant hand on its collar. Similarly, it suggests that Jem, a character in the story, requires constant monitoring and guidance to prevent any potential harm or trouble. This implies that Jem may exhibit behavior that is unpredictable or potentially harmful to others, requiring constant attention and intervention from those around him.