T-Rex: The earliest predators were opportunistic, eating whenever they got the chance.

T-Rex: But then they started to get smarter!

T-Rex: It was an evolutionary advantage to become THOUGHTFUL about hunting: imagining ambushes, figuring out the best way to corner prey, and so on. So it's possible this desire for food - and to avoid BECOMING food - is what led to things like "imagination" and "long-term planning" and "considering possible futures, and trying to bring about the most favourable one".

Utahraptor: So we could owe our intelligence to our stomachs?
T-Rex: Kinda, yeah!

Utahraptor: Huh! And that necessarily includes scenarios in which you'd imagine yourself as a WORSE hunter, discover how that makes you feel, and then AVOID doing that, right?
T-Rex: Sure! Negative examples help too.

Off panel: So in conclusion, you're saying one of the foundations of HIGHER THOUGHT ITSELF is our ability to make up a guy and get mad at him??
T-Rex: *sigh*
T-Rex: UNFORTUNATELY