人们之所以加入社会是为了保护他们的财产。

译文：自己养育孩子后才知道父母的恩情深重，自己立身处世才知道为人的辛苦异常。赏析：年少时，我们不知道父母的异常艰辛，总以为人生简单，待到我们成家立业后，才明白世事的艰难和为人父母的辛苦。

每个人都有自己的故事。

Psychology is the study of how we navigate existence.

Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.