Quotation marks have a hierarchy, grammar expert June Casagrande notes, and she advises how to put single quotes in their place.

Use double quotation marks (" ") to enclose phrases or entire sentences that were taken word for word from someone else. Quotation marks are not needed for paraphrasing. Example: The dog he brings on ...

I think that Donald Trump has invented a new use for quotation marks. In several now-famous tweets, the president accused Barack Obama of wiretapping him during the election. Trump used quotation ...