Rupert Hughes,
The Love Affairs of Great Musicians…
“ Clara was torn betwixt filial piety toward a father who could be ursine to a miserable degree, and a lover who was not only eating his heart out in loneliness, but who needed her personality to complete his creative powers in music. While Schumann had no such problem to meet, he lacked Clara's elastic and buoyant nature, and it must never be forgotten that when he was sad, he was dismal to the point of absolute madness. ”
