1. Troubles are found by oneself, and happiness is found by oneself!

2. There is no worry in the world, but others trouble themselves.

3. Everything can never go as expected, but you must be honest in your heart.

4. Life is always interesting, even troubles are interesting. ---(U.S.) Henry Mencken

5. The most troublesome things can often make people get rid of troubles. ---(France) Larochevko