Great Regulars: The speaker dramatizes the couple's wedding,

fancying that their souls "stand up erect and strong," and as they draw closer and closer together in the silence, facing each other, they resemble two angels who will merge into one. But before they merge, she allows the tips of their wings to "break into fire/At either curvèd point."

from Linda Sue Grimes: Suite101.com: Barrett Browning's Sonnet 22: When our two souls stand up erect and strong

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The reader then understands that the speaker is not merely reporting about physical butterflies she has actually seen with her physical eyes; she is making a metaphorical comparison of the nature of thoughts, for it is only thoughts have the power to appear out of nowhere and vanish beyond the sky with such felicity and velocity.

from Linda Sue Grimes: Suite101.com: Dickinson's Two Butterflies went out at Noon: A Mystical Flight

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The speaker then draws the listener's eye to the "sky" where "the larks, still bravely singing, fly." But the songs of these brave birds are hardly audible because the war is still ongoing, and the sound of the guns nearly drowns out the birdsongs.

from Linda Sue Grimes: Suite101.com: McCrae's In Flanders Fields: Poppies and Crosses

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