We have a collection of 2 Happiness quotes from Sigmund Freud
"What we call happiness in the strictest sense comes from the (preferably sudden) satisfaction of needs which have been dammed up to a high degree." (ID 54527)
"Just as a cautious businessman avoids investing all his capital in one concern, so wisdom would probably admonish us also not to anticipate all our happiness from one quarter alone." (ID 54624)