Sundara-kāṇḍa - Part 2 - Hanūmān spots Sītā in the Aśoka-vana
Hanūmān looked for Sītā everywhere in the vicinity of the palace. He searched the creeper-covered pavilions, picture galleries, and night rooms, but was unable to find her. He fell into despair and thought, ‘Sītā must have been killed by the rākṣasa or must have died of his torture. What will I tell the vānaras? Well, dauntless self-reliance is the root of all success and is the gateway to happiness.