Explain the phrase "refining gold" in "A Valediction: Forbidding Mourning".
What the speaker is saying here is that being moved farther apart does not make him and his love any less connected. He is likening their love to gold. He is saying that both of them can be spread out into a very, very thin layer but that does not ruin them. Instead, it actually expands them (he says) -- it makes them cover more of an area.
So this is another way in which the speaker illustrates the main idea he is trying to make in the poem -- that physical separation cannot diminsh their love.
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