"…because of megafauna extinctions, being the only species to use fire, and the fact that an ability for symbolic representation and complex speech might be the recipe for a runaway species capable of rapid cultural evolution and technology development out of step with the rest of the community of life, and therefore maladapted to long-term co-existence in ecological relationship. If it looks like we’re winning the “battle against nature” right now, that’s actually what losing looks like."
January 1, 1970
https://en.wikiquote.org/wiki/Extinction