History of South America

Is there a longer version of we have met the enemy and it is us?

"We have met the enemy and he is us." was a statement famously made by American philosopher and naturalist, Pogo, in 1971. The phrase has been widely interpreted and contextualized by multiple authors, however, it is originally used in the below comic strip frame with no additional surrounding context:

[Image of Pogo comic strip frame with the below text]

"We have met the enemy and they are us."