My Heart Leaps Up

My heart leaps up when I behold
A rainbow in the sky:
So was it when my life began;
So is it now I am a man;
So be it when I shall grow old,
Or let me die!
The Child is the father of the Man;
And I could wish my days to be
Bound each to each by natural piety.

"My Heart Leaps Up", also known as "The Rainbow", is a poem by the British Romantic Poet William Wordsworth. Noted for its simplicity of structure and language, it describes the joy that he feels when he sees a rainbow and notes that he has felt this way since his childhood. He concludes the poem by noting how his childhood has shaped his current views and stating that "the child is father of the man".

Wordsworth wrote "My Heart Leaps Up" on the night of March 26, 1802. Earlier that day, he had written "To The Cuckoo". He was in Dove Cottage, Grasmere with his sister, Dorothy. After he wrote it he often thought about altering it, but decided to leave it as it was originally written. It was published as part of Poems, in Two Volumes in 1807.

The day after he wrote "My Heart Leaps Up" Wordsworth began to write his larger and better known Ode: Intimations of Immortality. The last three lines from "My Heart Leaps Up" are used as an epigraph to Intimations of Immortality. Some scholars have noted that "My Heart Leaps Up" indicates Wordsworth's state of mind while writing the larger poem and provides clues to its interpretation.

Some commentators have speculated that Wordsworth felt such joy because the rainbow indicates the constancy of his connection to nature throughout his life. Others have said that it celebrates "the continuity in Wordsworth's consciousness of self". Because the rainbow is part of a circle, Fred Blick has been able to demonstrate that the word ‘piety’ at the end of the last line makes an intentional, geometrical pun (signalled by the phrase ‘bound each to each’), symbolising continuity and infinity. The pun blends ‘a state of infinite pi / π’ with the normal meaning of ‘reverence’. Wordsworth loved geometry and used the same, geometrical pun on ‘piety’ twice elsewhere. Many commentators also draw parallels to the rainbow of Noah and the covenant that it symbolised. Wordsworth's use of the phrase "bound each to each" in the poem also implies the presence of a covenant. Some commentators have drawn further parallels with the story of Noah. Harold Bloom has suggested that Wordsworth casts the rainbow as a symbol of the survival of his poetic gift, just as the rainbow symbolised to Noah the survival of mankind. Bloom suggests that Wordsworth's poetic gift relied on his ability to recall the memories of his joy as a child.

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