Who said "Forgetting is a mercy of the unconscious mind."?

This quote is attributed to Sigmund Freud.

Forgetting is a mercy of the unconscious mind. - Sigmund Freud

"Forgetting is a mercy of the unconscious mind."

Sigmund Freud

Psychologist and Psychiatrist Austro-Hungarian 1856–1939

"The only way out is through."

"Being entirely honest with oneself is a good exercise."

"We are never so defenseless against suffering as when we love."

"Dreams are the royal road to the unconscious."