"I like all things grammatical, and I had already written several books about parts of speech, and even the alphabet, so everything that makes up a sentence and even a word was covered except for punctuation"

Brian P. Cleary is sharing his interest for the English language and also its parts. He has currently created numerous books regarding the numerous components of speech, in addition to the alphabet. This indicates that he has a comprehensive understanding of the building blocks of language, such as nouns, verbs, adjectives, and adverbs. He likewise mentions that he has covered whatever that composes a sentence as well as also a word, besides spelling. This suggests that he aspires to explore the function of punctuation in language and just how it can be made use of to share meaning. His enthusiasm for the English language appears in his quote, and also it is clear that he is passionate about discovering the nuances of language.