Quotations
Dream This Day - http://www.dreamthisday.com/
Database of inspirational quotes and also lists a daily quote. Mostly focused on happiness.
Great Aviation Quotes - http://www.skygod.com/quotes/
Provides a handpicked selection of quotes on aviation, flying and pilots.
Living Life Fully - http://www.livinglifefully.com/
Variety of different quotes that relate to every day life. The quotations can be searched.
Quotes About Music - www.goodreads.com/quotes/tag/music
Provides music based quotes from music artists, philosophers and authors.
The Time of your Life - http://twinsite2000.tripod.com/
Site that lists quotations all based around the central theme of time.
Thoughts for the Day - http://www.markamoment.com/
Many different quotes for each day. Most of the quotations also come with a picture and users can submit their own entries.