Ramayana
लोकापवादभीतस्य तव राम महाव्रत । प्रत्ययं दास्यते सीता तदनुज्ञातुमर्हसि ॥ 7-96-17 ॥
"O Rama of great vows, Sita will give you, who fear the slander of the world, proof of her purity; therefore you ought to grant her leave to do so."
english translation