An Open Question ?

One of the open ended thoughts (A Research Question ) from the great mind Thiruvalluvar, 2000 years ago. Out of 1330 Kurals, this one stands unique to me withrespect to the inconclusive blankspace which need to be filled by the individual reader with their own wisdom.

அவ்விய நெஞ்சத்தான் ஆக்கமும் செவ்வியான்
கேடும் நினைக்கப் படும். [169]

Translation:
To men of envious heart, when comes increase of joy,
Or loss to blameless men, the 'why' will thoughtful hearts employ.

Explanation:

The wealth of a man of envious mind and the poverty of the righteous will be pondered.

பொறாமை பொருந்திய நெஞ்சத்தானுடைய ஆக்கமும், பொறாமை இல்லாத நல்லவனுடைய கேடும் ஆராயத் தக்கவை.

The Kural No: 170 which is the successor of the above Kural makes it more interesting:

அழுக்கற்று அகன்றாரும் இல்லை அஃதுஇல்லார்
பெருக்கத்தில் தீர்ந்தாரும் இல். [170]

Translation:

No envious men to large and full felicity attain;
No men from envy free have failed a sure increase to gain.

Explanation:  

Never have the envious become great; never have those who are free from envy been without greatness.

பொறாமை கொண்டு உயர்ந்தவரும் இல்லை. அது இல்லாதபோது தாழ்ந்தவரும் இல்லை.

It is really amazing that how delicately the boundary has been drawn between the above Kurals.

Ref: Translation and Explanation is from http://www.thirukkural.com