Here are some of the most memorable quotes from the 9/11 attacks

On this day in 2001, al-Qaeda terrorists hijacked four passenger liners, two of which were flown into the Twin Towers of the World Trade Center. The attacks claimed the lives of 2,977 people as well as the 19 hijackers, and injured more than 6,000. Among the dead were 343 firefighters and 72 law enforcement officers, who braved the wreckage of the World Trade Center to try to rescue those trapped inside.

There are few things that were not memorable about that day, but here are a selection of a quotations that we found particularly unforgettable.