Ответьте на вопрос" что делает людей похожими и что делает их разными?" не менее 12 предложений (желательно на английском)

First, especially mental warehouse : temperament, speed of mental reactions, intelligence. All this is given to man by inheritance. Second, the experience of childhood and memories of childhood. Everyone has their own childhood experiences, their experiences, each in his own world opened, each in its own experienced childhood fears, failures or joy. Third, particular individual biography : each lives his life, and everything that happens to him, and how it relates to this, it does not appear on the lives of others. Fourthly, inconsistency vital roles. In every life multiple roles he "plays"