Answer:
Dream
Explanation:
The "it" in the line above, is referring to the dream the writer had. Although it had been quite a long time since he had the dream, and he had even nearly forgotten, but still, the dream was right in front of him, shinning bright like a sun. A wall then rose up between the writer, and his dream.
The speaker is recalling a dream he had a long time ago, one that he had nearly forgotten, but at that might, he could see it ahead of him once more.
A (do not notice the sign on the wall)
Answer:
In line 28 we can see a shift in the speaker's focus to speculation about the limits that nature has.
Explanation:
In line 28, the speaker's approach changes and he begins to address nature in a more influential and profound way, showing the limits of it. This is to show that even something great like nature, has fineness, that is, it has limitations. This can be applied to the physical sense of nature, or even to the subjective and more conceptual sense of the effect of nature.
1: must
2: cant
3: could
4: must
5:not
6: must