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In the Mahapurana, the Uttara Purana, it is said by wise men that anger is a vice and an obstacle to the completion of one's work for a discerning person who is engaged in the completion of his initiated work. Therefore, anger is not appropriate in any situation.
Having realized this, he [Rama] patiently waited for an opportunity to inform Sita of his arrival. At that time, the moon rose and shone like a jewel on the peak of the rising sun.
After seven days had passed since Sita was brought there, Ravana thought, "I should see how she is doing." Surrounded by many lamps, he arrived. He appeared like a moving blue mountain adorned with radiant Kalpa trees. He was anxious and accompanied by the women of his inner palace.
Thinking, "When will I hear news of my husband's well-being?" Sita sat silently, her face unmoving. Ravana watched her for a long time in astonishment. Thinking, "There is no other woman like her in terms of devotion to her husband," he stepped back a little and stood at a distance.
From there, he sent his wise messenger, Manjarika, to understand Sita's intentions. Approaching Sita with humility, the messenger said, "O Queen, the king of the Vidyadharas, Ravana, has five thousand wives, all daughters of Vidyadhara kings and as beautiful as you. You are the mistress of them all, holding the position of Mahadevi. Live happily with the lord of the three worlds, Ravana, on his chest for a long time."
Do not waste your youthful energy like lightning. Consider this thought, "Rama will bring you back from Ravana's clutches," as futile as a vast forest of Kadamba trees. Who is capable of rescuing a deer trapped in the mouth of a hungry lion?
Hearing this, Sita remained as steadfast as the earth. Indeed, who can break a devoted wife? Seeing her unwavering, Ravana himself approached fearfully and said, "If you are determined to protect your lineage, then this is not a matter to be considered. If you are ashamed of being associated with a lowly man, then your offspring will not be born here."