Notice the use of a word repeated in lines such as these 1. On pads of velvet quiet, In his quiet rage. 2. And stares with his brilliant eyes At the brilliant stars. What do you think is the effect of this repetition?
The poet has used repetition to create a greater impact on the reader. 'Velvet quiet' refers to the footsteps of the tiger, which are silent and cannot be heard as he walks around his cage. 'Quiet rage' shows the extent of the tiger's fury at being locked up in a cage.