Can you determine the significance of the following poem?

Sir, I bear a rhyme excelling
In mystic force and magic spelling:
Celestial spirits elucidate
All my own striving can't relate.

HINTS:
#1: The poem follows a unique pattern - in tribute to its subject.
#2: The subject is related to mathematics.

Answer:

Each word in the poem contains - in order - the number of letters corresponding  to the digits of PI:   3.1415926535.......