Kural - 799

Of friends deserting us on ruin's brink,
'Tis torture e'en in life's last hour to think

Explanation
The very thought of the friendship of those who have deserted one at the approach of adversity will burn one's mind at the time of death.

Tamil Transliteration
Ketungaalaik Kaivituvaar Kenmai Atungaalai
Ullinum Ullanj Chutum.