Karl Abraham — German Psychologist born on May 03, 1877, died on December 25, 1925

Karl Abraham was an early important and influential German psychoanalyst, and a collaborator of Sigmund Freud, who called him his 'best pupil'... (wikipedia)

In neurotics, worm phobias are usually found as well as snake phobias.
Whereas the melancholic exhibits a state of general inhibition, in the manic patient even normal inhibitions of the instincts are partly or wholly abolished.
Anyone who is interested in the psychology of children will have observed that whereas one child will resist temptation or seduction, another will easily yield to it. There are children who will hardly oppose any resistance to the invitation of an unknown person to follow him; others who react in an opposite way in the same circumstances.
A considerable number of persons are able to protect themselves against the outbreak of serious neurotic phenomena only through intense work.
The onset of mania occurs when repression is no longer able to resist the assaults of the repressed instincts.