Single quotation marks are also known as 'quote marks', 'quotes', 'speech marks' or 'inverted commas'. Use them to: show direct speech and the quoted work of other writers.

Is it OK to use single quotation marks?

Single quotation marks are used to indicate quotations inside of other quotations. “Jessie said, 'Goodbye,'” Ben said. ... But because we're quoting Ben quoting someone else, Jessie, we use single quotation marks to indicate the quote within the quote.

What is the difference between single and double quotation marks?

General Usage Rules

Double quotes are used to mark speech, for titles of short works like TV shows and articles, as scare quotes to indicate irony or an author's disagreement with a premise. ... Single quotes are used to enclose a quote within a quote, a quote within a headline, or a title within a quote.