Bhagwad Gita
Chapter 2, Verse 35
भयाद्रणादुपरतं मंस्यन्ते त्वां महारथाः।
येषां च त्वं बहुमतो भूत्वा यास्यसि लाघवम्।।2.35।।
The great generals who have highly esteemed your name and fame will think that you have left the battlefield out of fear only, and thus they will consider you a coward.