Kural - 250

When weaker men you front with threat'ning brow,
Think how you felt in presence of some stronger foe

Explanation
When a man is about to rush upon those who are weaker than himself, let him remember how he has stood (trembling) before those who are stronger than himself.

Tamil Transliteration
Valiyaarmun Thannai Ninaikka Thaan Thannin
Meliyaarmel Sellu Mitaththu.