Answer: Humanity's need for expedition and adventure has allowed people to reach and explore even the farthest points on the planet.
Explanation:
The idea that is common to both texts is that humanity's need for expedition and adventure has allowed people to reach and explore even the farthest points on the planet.
The fear of the unknown, the thrill of doing something that one hasn't done before, the excitement and euphoria of trying something new and different are simply some of the reasons human beings like adventure.
Humans have always been known to explore and try out something different. From visiting other planets to going to space, humans have always loved the thrill and this isn't stopping anytime soon.
The theme is basically brains over brawn, because the mouse continues to use his intelligence to escape the big and strong creatures that are after him, despite the mouse himself being small and frail.