Tirukkural-On Virtue-Freedom From Envy-Kural 166

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The man, whose envy puts him in the way of other"s charity,
Will go to ruin without even food and clothes.

If one is not able or willing to be generous oneself. One should at least not be envious and oppose generosity in others. Such a man will be despised by all, as a dog in the manger. The curse spelt out here is very strong bringing to the fore the magnitude of the sin-that it is not the offender alone who sill suffer but his kin too.

'Kambaramayanam' has two verses which bring out these ideas forcibly.

Adupavarum pazi sein narumallar
Kodupavar mun kodaelaena nindru
Thadupavarae pahai thamaiyu mannaar
Kodupavar annadhoar kaedilai yenraan
(Kamba-Vaelvi 31)

Yeduthoruvaruk koruvar eevathaenin munnar
Thadupadhu ninakazakitho thagavilai vaelli
Kodupadhu vilaku kodiyoai unadhu suttram
Udupadhooum unpadhooum indri vidukinraai
(Kamba-Vaelvi 33)

In the last two lines we may note that the Kural words themselves have been used most effectively.