Quote by tiddlywink
I've always been of the belief that independent clauses fused with a FANBOYS conjunction should always be separated by a comma and have implemented this into my writing over the years.
Recently, somebody tried to convince me that placing a comma before the conjunction "and " is bad practice and done, more often then not, as a rule of thumb.
My question to authors: Is there any case in which a comma would NOT be necessary when fusing two independent clauses with a coordinating conjunction. If so, would you please give me an example.
There are no fixed rules for this, really. Punctuation essentially exists to create pauses when we're reading: these pauses often serve to separate clauses from one another (we even do this naturally when we're speaking), so there's still a certain 'logical reasoning' behind it, but it's not all black and white.
Written language is derived from spoken language, and so what you really should be concerned about is if what you're writing accurately reflects how your text is intended to be read out loud.
Just examine my previous sentence, which will help you figure out the comma before 'and' dilemma:
"Written language is derived from spoken language, and so what you really should be concerned about is if what you're writing accurately reflects how your text is intended to be read out loud."
In this sentence, I intentionally wanted to create a pause just before the 'and': that's how I would have pronounced it verbally if I was talking to you. In this example, it serves to give emphasis on my introductory clause 'Written language is derived from spoken language' and to make it distinct from the rest of the sentence, just like I would normally provide a pause after 'However' at the beginning of a sentence.
As I said there's no fixed rule for this, but the way I usually see it is that no comma (or pause) is necessary when the two clauses are seemingly equally important in the sentence and serve a similar purpose/function. For example:
"My father was a sailor and he worked on ships for nearly forty years."
In this example, neither clause is more important than the other regarding the information I want to convey; it also feels better to read it as a whole, without any pause.
By opposition:
"My mother has always neglected her health, and she eventually died from her carelessness."
In that one example, the main clause of the sentence is definitely the last one (ie. she died). The first clause has more of an 'introductory' or 'justificative' function. That pause would also have been reflected in the way I would have verbally said that sentence out loud. Here the comma (and the pause), provides a nice 'drumroll' or 'wait for it' effect that gives emphasis on the last portion of the sentence, which feels much better than reading the sentence in one go without any pause.
As you can see, it's all about the effect and feel you want to give to your text. You could even break the comma before 'but' rule in some instances, for a better effect. For example:
"Billy always had trouble fighting his drug addiction. He was always seeking the next thrill. He just kept consuming more and more. He tried to stop but couldn't."
Here, the effect that I'm trying to provide is to throw a succession of quick 'punch lines' one after the other. Adding a comma (or a pause) just before 'but' in the last sentence would just break the overall flow of it. Again, this is exactly how I would have wanted it to be pronounced verbally; the omission of the comma is just there to reflect that.
So all in all, the 'correct' use of punctuation has more to do with making your text pleasant/easy to read than just blindly following a rigid set of rules.
Concerning semi-colons, I use them frequently when I'm writing on these forums (in addition to my trademark 'in-lack-of-a-better-term' or 'if-you-know-what-I-mean' apostrophes), but I would avoid them altogether when you're writing a literary piece. They're a lot more useful in 'argumentative' texts, as their use is often to provide a logical connection between clauses (justification, supplementation, comparison, opposition, etc.). I would simply rework your sentences if you're writing literary prose, to steer away from a 'logical' vibe in favor of a more 'eloquent' one.
And many writers share the same opinion:
Kurt Vonnegut in A Man Without a Country (2005) famously stated:
"Here is a lesson in creative writing. First rule: Do not use semicolons. They are transvestite hermaphrodites representing absolutely nothing. All they do is show you've been to college."




