The American Psychological Association has noted: “Stress is to the human condition what tension is to the violin string: too little and the music is dull and raspy; too much and the music is shrill or the string snaps.
Ameerika Psühholoogide Assotsiatsioon märgib: „Stress mõjutab inimese enesetunnet nagu pinge viiulikeelt.