The original Halo games (CE-Reach) described by their own quotes. : r/halo
Halo Trilogy Quotes by Jimzydoodah on deviantART | Video game quotes, Halo, Trilogy
Mesmerizing cutscene from Cortana Facebook Fanpage
Amazon.com: Halo: Silent Storm: A Master Chief Story (24): 9781501138386: Denning, Troy: Books
Didact-Cortana Link - Most know about how she quotes the Didact dialog from the end of Halo 4, but I found her using another exact quote from the Didact. : r/halo