Displayed Text

Text is displayed by indenting it from the left margin. Quotations are commonly displayed. There are short quotations

This is a short a quotation. It consists of a single paragraph of text. See how it is formatted.
and longer ones.
This is a longer quotation. It consists of two paragraphs of text, neither of which are particularly interesting.

This is the second paragraph of the quotation. It is just as dull as the first paragraph.
Another frequently-displayed structure is a list. The following is an example of an itemized list. You can even display poetry.
There is an environment for verse
Whose features some poets will curse.

For instead of making
Them do all line breaking,
It allows them to put too many words on a line when they'd rather be forced to be terse.

Mathematical formulas may also be displayed. A displayed formula is one-line long; multiline formulas require special formatting instructions.

(Γ, ψ') = x'' + y2 + zin

Don't start a paragraph with a displayed equation, nor make one a paragraph by itself.