When money talks, no one checks the grammar. – Author unknown

Linguists are no different from any other people who spend more than nineteen hours a day pondering the complexities of grammar and its relationship to practically everything else in order to prove that language is so inordinately complicated that it is impossible in principle for people to talk. – Ronald W. Langacker (b.1942), Language and Its Structure, 1973

A semicomma, we should note, doesn’t exist; we just made the word up. But it sounds like a punctuation mark that should exist, doesn’t it? – Richard Lederer and John Shore, Comma Sense: A Fun-damental Guide to Punctuation