Kural - 593

'Lost is our wealth,' they utter not this cry distressed,
The men of firm concentred energy of soul possessed

Explanation
They who are possessed of enduring energy will not trouble themselves, saying, "we have lost our property.".

Tamil Transliteration
Aakkam Izhandhemendru Allaavaar Ookkam
Oruvandham Kaiththutai Yaar.