

Main Quotes " Never in the field of human conflict was so much owed by so many to so few." - Winston Churchill " Success is not final, failure is not fatal: it is the courage to continue that counts." - Winston Churchill " In war there is no prize for the runner-up." - General Omar Bradley " Ours is a world of nuclear giants and ethical infants. These quotes are also seen when the player finishes a level successfully, such as in Call of Duty 2.

Quotes were not used in any of the Treyarch games (with the exceptions of Call of Duty 3 and Call of Duty: Black Ops 4 for the Blackout mode), Call of Duty: Ghosts, Call of Duty: Advanced Warfare and Call of Duty: WWII. Here are all of the quoted sayings shown in the Call of Duty series. In Call of Duty: Modern Warfare Remastered, several new quotes relating to the future may appear as part of the Time Paradox Easter Egg, and in Call of Duty: Modern Warfare, several quotes are from the characters featured in the campaign, for example, Karim. In Call of Duty: Infinite Warfare, all the sayings are related to the storyline of the game.

Sometimes, the price of a military weapon or vehicle is shown to give perspective of how much money is needed to fund a war. With the exception of some early games, when the player is killed in the singleplayer mode (with exception of Death Messages or Mission Failed Messages) in the Call of Duty series, the screen blurs away with the sound and an inspirational or military related saying is shown in quotation marks.
