Source text: Time is but the stream I go a-fishing in. I drink at it; but while I drink I see the sandy bottom and detect how shallow it is.
Which of the following correctly punctuates the changes made to the above excerpt?
1. Thoreau relates time to a stream, "I drink at [the stream]; but while I drink I see the sandy bottom and detect how shallow it is."
2. Thoreau relates time to a stream, "I drink at . . . the stream; but while I drink I see the sandy bottom and detect how shallow it is."
3. Thoreau relates time to a stream, "I drink at the stream; but while I drink I see the sandy bottom and detect how shallow it is."
