When embedding passages in your paragraph, follow the examples shown below. Notice that the forward slash indicates line endings, when you are quoting more than one line of a passage.
Macbeth is speaking not only to himself but also to others when he says, “Had I but died an hour before this chance, / I had lived a blessed time” (2.3.84-5). He describes his mental state with this declaration: “There’s nothing serious in mortality” (2.3.86). His innermost thoughts are made public with the metaphorical statement that “All is but toys” (2.3.87).
introduce someone’s statement with a comma
a more emphatic, pronounced lead-in to a quotation uses a colon
no punctuation needed when simply quoting a phrase or clause