Sublime

do not use periods for commas.

"Write in a way that comes naturally," "Revise and rewrite," "Do not explain too much," and the rest; above all, the cleansing, clarion "Be clear."

E. B. White makes the case cogently in The Elements of Style, a book every writer should read once a year, when he suggests trying to rearrange any phrase that has survived for a century

In a series of three or more terms with a single conjunction, use a comma after each term except the last.