Ruth Graham quotes T.S. Eliot—”Immature poets imitate; mature poets steal. Bad poets deface what they take.”—she notes that despite the “taboo” of plagiarism, readers seem to often forgive the past excesses of historic literary offenders.
The ‘Oxford comma’ is an optional comma before the word ‘and’ at the end of a list:
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It’s known as the Oxford comma because it was traditionally used by printers, readers, and editors at Oxford University Press. Not all writers and publishers use it, but it can clarify the meaning of a sentence when the items in a list are not single words:
These items are available in black and white, red and yellow, and blue and green.
The Oxford comma is also known as the ‘serial comma’.
An éminence grise can alternatively refer to an elderly (“grey-haired”) personage who is renowned for past accomplishments, and now acts as an advisor rather than a principal actor. He might be politically influential as a consequence of his honored status within an influential group or society as a whole. For example, a distinguished retired physics professor emeritus who advises scientific leaders and government officials on nuclear energy; or a retired U.S. Senator who advises the President on an informal basis, etc.