Kural - 506

Beware of trusting men who have no kith of kin;
No bonds restrain such men, no shame deters from sin

Explanation
Let (a king) avoid choosing men who have no relations; such men have no attachment, and thereforehave no fear of crime.

Tamil Transliteration
Atraaraith Therudhal Ompuka Matravar
Patrilar Naanaar Pazhi.