Every setback or unfavorable mutation carries with it the same or greater beneficial seed. ——Emerson

Frustration can put a person to death, or it can put a person to death and survive. ——Leonardo Da Vinci

No one can find the truth without going through failure and setbacks. ——Anonymous

Whoever does not have one or two unsatisfactory things in his heart, who does not have small setbacks in his life, does not need to be as worried as I am. Li Bai's saying "If you are not happy in life, you will ruin the boat in the Ming Dynasty" is too unrestrained. Such behavior is not allowed in the commercial society. I'd better raise my head and face the reality. ——Yishu

Perhaps there is no more important component in personality than firm determination. In order for a little boy to become a great person, or to be important in any field in the future, he must be determined not only to overcome thousands of obstacles, but also to win after thousands of setbacks and failures. ——Roosevelt

After some setbacks, I gained some insights. The more you share, the less ambition you have. ——Zeng Guofan

Short-term setbacks are better than short-term successes. ——Pythagoras

Frustration is just a ripple in the lake! As long as you persist, it will disappear! ——Sun Shixian

Frustration also has a good side. Teach us the truth. ——Napoleon

I had a strong sense of frustration and a feeling of loss at the time.

——Wu Yusen