There is significant research found in scientific literature on the relationship between positive emotions and resilience. Studies show that maintaining positive emotions whilst facing adversity promote flexibility in thinking and problem solving.
Positive emotions serve an important function in their ability to help an individual recover from stressful experiences and encounters. That being said, maintaining a positive emotionality aids in counteracting the physiological effects of negative emotions.
In his early years, teachers told Thomas Edison he was “too stupid to learn anything.” Work was no better, as he was fired from his first two jobs for not being productive enough. Even as an inventor, Edison made 1,000 unsuccessful attempts at inventing the light bulb. Of course, all those unsuccessful attempts finally resulted in the design that worked.