It is, and that's enough for any mind.

Ah! listen! Now you will hear my Singing Cliffs." From out of the darkening shadows murmurs rose on the softly rising wind.

This strange music had a depressing influence; but it did not fill the heart with sorrow, only touched it lightly.

And when, with the dying breeze, the song died away, it left the lonely crags lonelier for its death.
The last rosy gleam faded from the tip of Point Sublime; and as if that were a signal, in all the clefts and canyons below, purple, shadowy clouds marshaled their forces and began to sweep upon the battlements, to swing colossal wings into amphitheaters where gods might have warred, slowly to enclose the magical sentinels.

Night intervened, and a moving, changing, silent chaos pulsated under the bright stars.
"How infinite all this is! How impossible to understand!" I exclaimed.
"To me it is very simple," replied my comrade.