The surprising benefits of anxiety
“Anxiety can just as well express itself in muteness as with a scream,” wrote existential philosopher Søren Kierkegaard in 1844.
While Kierkegaard spent much of his work analyzing the agonizing nature of anxiety, he did not think that it was an emotional state to be avoided. Instead, the philosopher argued that one cannot live an authentic life without grappling with anxiety. More here, https://qz.com/1013901/the-surprising-benefits-of-anxiety/