This was said by Mother Teresa before she died. So no later than 1977.
Answer:
primary group: It is a small social group whose members share close, personal, enduring relationships. And Secondary groups are large groups whose relationships are impersonal and goal-oriented.
Answer: By the time my head hits the pillow tonight, I intend to feel like I really Reborned
Explanation:
The answer you are looking for is existentialism. Very popular during the Depression and going into the Second World War.
