Answer:
The drive to persevere can lead a man to take actions he once thought unthinkable.
Step-by-step explanation:
Rainsford, on the first day, just runs and hides. He acts as if it was a game and he doesn't really consider what he might have to do to live. On the second day, though, he realizes in what sort of situation he is and he decides to build traps to kill Zaroff.