What is the THEME of the poem "The Chambered Nautilus" by Oliver Wendell Holmes?

Question

The Chambered Nautilus
This is the ship of pearl, which, poets feign,
Sails the unshadowed main,
The venturous bark that flings
On the sweet summer wind its purpled wings
In gulfs enchanted, where the Siren sings,
And coral reefs lie bare,
Where the cold sea-maids rise to sun their streaming hair.

Its webs of living gauze no more unfurl;
Wrecked is the ship of pearl!
And every chambered cell,
Where its dim dreaming life was wont to dwell,
As the frail tenant shaped his growing shell,
Before thee lies revealed,
Its irised ceiling rent, its sunless crypt unsealed!

Year after year beheld the silent toil
That spread his lustrous coil;
Still, as the spiral grew,
He left the past year's dwelling for the new,
Stole with soft steps its shining archway through,
Built up its idle door,
Stretched in his last-found home, and knew the old no more.

Thanks for the heavenly message brought by thee,
Child of the wandering sea,
Cast from her lap, forlorn!
From thy dead lips a clearer note is born
Than ever Triton blew from wreathèd horn!
While on mine ear it rings,
Through the deep caves of thought I hear a voice that sings:

Build thee more stately mansions, O my soul,
As the swift seasons roll!
Leave thy low-vaulted past!
Let each new temple, nobler than the last,
Shut thee from heaven with a dome more vast,
Till thou at length art free,
Leaving thine outgrown shell by life's unresting sea!

Answer 1

A Nautilus shell is shaped like a spiral and grows as the animal grows and moves to new chambers of its shell. As we go through the cycles of life we should strive to continually improve ourselves making each new phase of our life better than the last.

Answer 2

Nautilus Theme

Answer 3

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A strong person is determined to meet the challenges and tackle them when they're down. A weak person looks for excuses to continue failing.

Answer 4

Thank you! very valuable information and it gives me better insight on the subject

Answer 5

Good pertinent replies, thankyou

Answer 6

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Answer 7

We grow in ever-broadening paradigms of spiritual awareness, our earlier selves still encased within like Russian nesting dolls.

http://en.wikipedia.org/wiki/Matryoshka_doll