Valmiki Ramayana Yuddha Kanda Sarga 18 Shloka 31

कण्डोः of Kandu, उत्तमम् excellent, वचनम् words, यथार्थम् meaningful, करिष्यामि: has said, धर्मिष्ठम् one who does his rightful duty, यशस्यम् glorious, स्वर्ग्यम् heaven, फलोदयेस्यात् will receive such result (after death).

"Excellent and meaningful words have been said by sage Kandu (about one who protects a refugee), that is by doing one's righteous duty. He will be not only famous but reach heaven as a result of his action."