Thirukkural

தொடங்கற்க எவ்வினையும் எள்ளற்க முற்றும் இடங்கண்ட பின்அல் லது.

Thotangarka Evvinaiyum Ellarka Mutrum Itanganta Pinal Ladhu

Let not (a king) despise (an enemy), nor undertake any thing (against him), until he has obtained (a suitable) place for besieging him