That’s right, the complete works of Charles Darwin are now available online, for free like they should be. Check it out: http://darwin-online.org.uk/

They even have a search function, so I looked up one of my favorite quotes: “…doing what little we can to increase the general stock of knowledge is as respectable an object of life as one can in any likelihood pursue.â€�

From: Darwin, Francis ed. 1887. The life and letters of Charles Darwin, including an autobiographical chapter. London: John Murray. Volume 1.