Final answer:
Hope remained in Pandora's jar after all the evils were released, symbolizing the presence of optimism even amid adversity.
Step-by-step explanation:
After Pandora released the evils from the jar, what remained inside was hope. In Greek mythology, Pandora was given a jar (often mistakenly referred to as a box) and instructed not to open it. She eventually gave in to curiosity, and when she did, all of the evils contained within escaped into the world. However, after all the other contents had left, hope alone remained inside, suggesting that even in a world full of hardship and trouble, there is still the possibility for optimism and expectation for better times.