Invisible Man part 2

1. The device that happen is the vet tells the narrator to rely on himself and become aware of the opportunities and learn how to operate,  and to leave Mr. Norton alone and stop telling him the black people doings.

2. The vet wants the narrator to explore his own opportunities and doing what Mr. Norton expect of him.

3. The allusion used to describe the arrival in Harlem is the story of Jonah from the Old Testament,  sent to bring the message of destruction.