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The maxim is based on the situation in which one
person strives to do something but somebody else enjoys
the fruit of it.
 
437. <headword>पिष्टपेषणन्यायः</headword>
 
Cf. मृतमारणन्याय, जलताडनन्याय, अरण्यरोदनन्याय श्व-
पुच्छोन्नामनन्याय।
--सा०, पृ० 115-116
 
To grind the flour which is already ground. This is the
meaning of the maxim which suggests the habit of
unnecessary repetition of work.
--सा० 301
 
438. <headword>पीलुपत्रफलन्यायः</headword>
 
The leaves of the Pilu tree are pungent but the fruits of
the same tree are very sweet. Taking clue from this,
the maxim suggests some discrepancies especially in
the case of prattlings of a foolish fellow. This foolish
fellow speaks in contradictory terms.
--सा० 668
 
439. <headword>पुत्रान्तरकाङिङ्क्षिणीन्यायः</headword>
 
यो ध्रुवाणि परित्यज्य ध्रुवाणि निषेवते।
ध्रुवं तस्य निननष्टं स्यादध्रुवं नष्टमेव हि॥
--हितोपदेश, मित्रलाभ 184
 
The maxim is based on a legend of a woman who had
one son but was eager to have one more son.
Not satisfied with one son, she began to pray God for
another son. She approached a lady who was a
hypocrite. That lady advised her to sacrifice her first
son for getting a second son. Having come to know