It means that one should never lose hope because nothing is ever completely dark, there is always something good to which we can cling.
Answer:
1. The Best Way to Hear a Secret
Explanation:
A theme of a story is the main idea or information that a writer wants readers to understand from his/ her novel or play.
The given statement conveys a major idea that keeping of secret may cause someone to suffer from emotional imbalance. Which could lead to a psychological problem, paranoid feelings and pains. Sometimes, telling a good friend about some of your secrets lightens up your mind, and probably save lives.
The given statement belongs to "The best way to hear a secret".
Idk, We all dont know, so maybe the world will never know