Economy mentioned by Mr. Duyen. Because, as he said with his usual freshness and sharpness. The victory of high science is that it goes beyond the simple description and division of material properties, easy to come up with vivid perspectives that clarify the creativity. Lessons hamilton taught me poster. Knowledge of laws is the most complete, for it shows us how one process defines another. Thus, the first natural law of all economies was especially discovered by Mr. Duyr. It is very strange that Adam Smith not only did not put on top of the most important factor of all economic development, but even especially if it did, and so he did.