* The destructive power of envy and jealousy: This is arguably the central theme. The story vividly illustrates how envy, fueled by perceived injustice, can corrupt a seemingly good person (the younger brother) and lead to disastrous consequences for both himself and others. His jealousy of his brother's perceived good fortune drives his actions and ultimately destroys his life.
* The importance of faith and forgiveness: The older brother, despite suffering greatly at the hands of his younger sibling, consistently demonstrates unwavering faith and ultimately forgives him. This act of forgiveness highlights the transformative power of faith and its ability to overcome even profound betrayal. It also contrasts sharply with the younger brother's lack of faith and inability to forgive himself.
* The consequences of unchecked ambition and self-centeredness: The younger brother's relentless pursuit of wealth and status, driven by envy, blinds him to the importance of family, love, and moral values. His actions demonstrate the destructive nature of unchecked ambition and self-centeredness.
* The nature of good and evil: The story presents a clear contrast between the goodness and piety of the older brother and the wickedness and self-destruction of the younger brother. However, it doesn't present simplistic moral binaries. The younger brother's initial goodness is gradually eroded by envy, suggesting the potential for darkness within seemingly good individuals.
* The importance of humility and contentment: The older brother's contentment with his simple life and his humility in the face of adversity showcase the virtues of a life lived in accordance with moral principles. This is in stark contrast to the younger brother's restless pursuit of material wealth.
* Justice and retribution (divine or karmic): While not explicitly stated, the story suggests a sense of karmic justice. The younger brother's wicked actions ultimately lead to his downfall and suffering, hinting at a larger moral order where actions have consequences.
These themes are interwoven throughout the narrative, creating a powerful and enduring story about the human condition and the consequences of both virtuous and wicked choices.