The journals of Eric Harris are the 5-pages rant, listing his many and absurd hates. 

This is widely-cited as an illustration of Eric's hate or rage, but as Dave Cullen wrote in the book, what Eric is really revealing here is contempt. Contempt is actually key to understanding Eric and what drove him: a preposterous superiority complex and total disgust with the likes of us humans.

Here's the website where the journals are found:

Community content is available under CC-BY-SA unless otherwise noted.