This is a monologue from the Tragedy of Hamlet. It's a form to giving voice to ones more secret problem.
In the coming line he uses the adjective nobler to indicate an high moral level person.
In the first line Shakespeare uses two infinitives to mark not accessible thing.
In the monologue Hamlet considers the prose and contras about to live and to die. In the first line he poses a question: To be, or not to be. He wants to understand if living is better than dying. Life is expressed in a metaphorical way: Hamlet compares to live with to suffer and he talks about that with words associating to the semantic field of war ( slings and arrows). In the fifth line he compares to die with to sleep, because when you sleep don't feel any form of suffering and all the physical passions vanish. In the line seven Hamlet considers the prose and contras about to die. In the tenth line Hamlet compares the death with a dream, a unknown. He scares of death because he can't know what happen after death. He thinks that it's the cause of why somebody bears sufferings.