Incorrect: He said that he "hoped I would be there.
Block quotes are used most often in humanities disciplines, where detailed textual analysis requires quoting at length. Quotations within the block will have double or single quotes, according to the convention being used British or American.
However, they do cause more of an obvious interruption and therefore more emphasis. The exclamation mark! Use a comma with titles.
That girl is obsessed with commas, semicolons, and em dashes. We'll allow you some more commas. Here is the one and only time you should separate adjectives with a comma: if two adjectives independently modify a noun, a comma must be placed between those two adjectives.