The economic interpretation of history does not necessarily mean that all events are determined solely by economic forces. It simply means that economic facts are the ever recurring decisive forces, the chief points in the process of history.
The excellence of every art is its intensity, capable of making all disagreeables evaporate, from their being in close relationship with beauty and truth.
A successful man is he who receives a great deal from his fellow men, usually incomparably more than corresponds to his service to them. The value of a man, however, should be seen in what he gives and not in what he is able to receive.