Men are born equal but they are also born different.
The experience of separateness arouses anxiety; it is, indeed, the source of all anxiety.
Man is born as a freak of nature, being within nature and yet transcending it. He has to find principles of action and decision-making which replace the principles of instincts.
Intellectuals are hindered on the way to being, by their narcissism.
Man's biological weakness is the condition of human culture.
Infantile love follows the principle: "I love because I am loved." Mature love follows the principle: "I am loved because I love." Immature love says: "I love you because I need you." Mature love says: "I need you because I love you.