I have below lines, and Guess what can be the answer ?
Sir, I bear a rhyme excelling In mystic force and magic spelling Celestial sprites elucidate All my own striving can't relate
What is your answer ?
Hint : William Jones
This is a well-known poem where
the lengths of the words are the digits of pi, in order.
The hint's relevance:
William Jones was the first to use the "π" symbol to refer to the ratio between the circumference and diameter of a circle.