Bartlett's Familar Quotations :  Collection of passages, phrases, and proverbs traced to their sources in ancient and modern literature. Compiled by John Bartlett. 1901 Edition.

 

A Dictionary of Scientific Quotations A collection of quotations about science by scientists and other writers both ancient and modern. 

Famous quotations at Elibron for enjoyment and inspiration.

Gio's Online Dictionary of Quotations.

Mathematical Quotation Server  This page points to a collection of mathematical quotations culled from many sources.

Mathematics Quotations from Platonic Realms   A collection of mathematical quotes.

Quotations from the People's Cyber Nation

Quotations Page This site has a database of over 20,000 quotations, Quotes of the Day, Motivational Quotes, Quotes by Author, and much more.

Quoteland.com...all the right words. The Quoteland Reference Library is a multimedia archive of the documents that move, inspire, amuse, anger and ultimately provoke thought within us.