Sentence examples similar to comma not required from inspiring English sources

Here is an example of an indirect quotation that does not require a comma: While I was at his house, John asked me if I wanted anything to eat.

Here is an example of a partial direct quotation, which, due to its brevity and its use within the sentence, doesn't require a comma: According to the client, the lawyer was "lazy and incompetent".

Also note that sometimes -- as in the second sentence above -- you really do need a comma even if the rules of writing don't require it.

The presence of a conjunction does not necessarily require a comma.

His inverted commas, not mine.

Life is a series of commas, not periods.

You can't just stack up adjectives like that without commas, not on our watch.

Commas Keith Waterhouse advised: "Commas are not condiments.

The comma does not fix everything.

But withhold the comma if not unique: My son John is awesome.

A comma is not necessary.