Kural - 1070

E'en as he asks, the shamefaced asker dies;
Where shall his spirit hide who help denies

Explanation
Saying "No" to a beggar takes away his life. (but as that very word will kill the refuser) where then would the latter's life hide itself ?.

Tamil Transliteration
Karappavarkku Yaangolikkum Kollo Irappavar
Sollaatap Poom Uyir.