I figured doing the first line of "sea fever" but with a D'ni flavor would be appropriate.

Today I hear the calling... D'ni is again awakened and I am again invited to join in the mysterious journey which calls me to that "deep city..." URU.

At this time I make my preparations so that when I am done, I might enter that city when I come back from my final trip to the surface.

Shorah!

I must go down to D'ni again

To the deep city and cavernous sky

And all I ask is a link book and a light to steer me by...

~L~ (with apologies to Mr Masefield)