The theme for this story could be that if you work hard enough, you can leave your troubles and problems behind. The theme could also be that if you try too hard to avoid danger , than you might put yourself in more of it.
Explanation: On one side, we see that the father works hard, day and night, tirelessly, to achieve his goal to escape which shows that determination and strong will eventually pays off. However, on the other hand, over-confidence and disobedience, selfishness, etc. can cause one trouble therefore one must refrain from it :)
