The <blockquote> tag defines a long quotation.
A browser inserts white space before and after a blockquote element. It also insert margins for the blockquote element.
<p>Here is a quote from WWF’s website:
WWF’s ultimate goal is to build a future where people live in harmony with nature.
We hope that they succeed.
Note: To validate a blockquote element as strict HTML/XHTML, the element must contain only other block-level elements, like this:
<p>Here is a long quotation here is a long quotation</p>