This is usually done with an estimate or a quotation.

Buy us and we will comfort you with quotations from early feminists when you're getting a cold.

Each chapter of the novel opens with a quotation from this work.

She even prefaces each section with a quotation from the character in question.

For example, each guest may be given a card with an inspiring quotation on it.

So I thought to end with a quotation from a famous person, but that strategy is patented, too.

"You told the story with indirect quotations throughout, sir, and thus we never got the exact words anyone used."

May I conclude with a quotation from my book?

The unknown poet begins with a quotation from the Gospel.

Let me end with a quotation from the Australian Senate.