Societies can be sunk by the weight of buried ugliness.
Fear, in evolution, has a special prominence: perhaps more than any other emotion it is crucial for survival.
Positive work environments outperform negative work environments.
But the rational mind usually doesn't decide what emotions we "should" have !
True compassion means not only feeling another's pain but also being moved to help relieve it.
What really matters for success, character, happiness and life long achievements is a definite set of emotional skills - your EQ - not just purely cognitive abilities that are measured by conventional IQ tests.