Who introduced the phrase back to the future? Who first suggested we say it with flowers? Who wrote the legendary Humphrey Bogart line, Here's looking at you, kid? The answers lie in this collection of over 5000 of the 20th-century's most famous quotations. This book offers a unique view of the 20th century through over 5,000 of its memorable and oft-repeated sayings. The entries are taken from a wide variety of international sources including literature, political speeches, films, television, journalism, and popular songs.