Thirukkural

செறுநரைக் காணின் சுமக்க இறுவரை காணின் கிழக்காம் தலை.

Serunaraik Kaanin Sumakka Iruvarai Kaanin Kizhakkaam Thalai

If one meets his enemy, let him show him all respect, until the time for his destruction is come; when that is come, his head will be easily brought low