A person who feels pleasure in producing pain in someone else in a sexual relationship is also capable of enjoying as pleasure any pain which he may himself derive from sexual relations. A sadist is always at the same time a masochist. - Sigmund Freud (Three Essays On The Theory Of Sexuality Quotes)

A person who feels pleasure in producing pain in someone else in a sexual relationship is also capable of enjoying as pleasure any pain which he may himself derive from sexual relations. A sadist is always at the same time a masochist.[Wer Lust daran empfindet, anderen Schmerz in sexueller Relation zu erzeugen, der ist auch befähigt, den Schmerz als Lust zu genießen, der ihm aus sexuellen Beziehungen erwachsen kann. Ein Sadist ist immer auch gleichzeitig ein Masochist.]

Source:Three Essays On The Theory Of Sexuality (1905), (Basic Books, ed. 1962), Chapter I. The Sexual Aberrations, Page 25
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