Kural - 497

Save their own fearless might they need no other aid,
If in right place they fight, all due provision made

Explanation
You will need no other aid than fearlessness, if you thoroughly reflect (on what you are to do), and select (a suitable) place for your operations.

Tamil Transliteration
Anjaamai Allaal Thunaiventaa Enjaamai
Enni Itaththaal Seyin.