BrainyQuote.com and En.Proverbia.net are great resources for famous quotes. Both websites have search functions, and the quotes can be sorted by author and topic. BrainyQuote.com features a Quote of the Day, and many of the quotes are overlaid on pictures that enhance the look and meaning of the quotes.
En.Proverbia.net has an impressive collection of proverbs from around the world, including Jewish, Chinese, English and German proverbs. Both websites have an extensive collection of quotations from famous literary works and famous people such as Albert Einstein, Abraham Lincoln, Mark Twain and a variety of other authors, artists and historical figures.