Kural - 86

The guest arrived he tends, the coming guest expects to see;
To those in heavenly homes that dwell a welcome guest is he

Explanation
He who, having entertained the guests that have come, looks out for others who may yet come, will be a welcome guest to the inhabitants of heaven.

Tamil Transliteration
Selvirundhu Ompi Varuvirundhu Paarththiruppaan
Nalvarundhu Vaanath Thavarkku.