Answer:
I would say go for your dreams because even though things could be difficult right now they could get better for you. And if you don't go for your dreams then you might wonder back and regret that you didn't cause you never know how far you can get in life if you don't try to go for it live while you can and who knows you could become a really successful person in the future.
Explanation:
This is most evidently a metaphor. The thing to keep in mind when analyzing literature/poetry is that if you see figurative language making comparisons/drawing parallels between two differing things--instances where the meaning is not literal such as how injustice is not really a fire and has no flames--it's a safe bet you'll have on your hands a metaphor.
The sentence that suggest that doctors, like lawyers are part of superficial middle-class world of nineteenth century Rusia is:
The doctor put on just the same air towards him as he himself put on towards an accused person.
