The world is changing rapidly and many things continue to be replaced by completely new things. In the midst of a great change of trend in the world, in order to survive we need a great effort to always learn and have an open mind, especially for the rich and victorious. Therefore, we are required to keep learning and open our minds to whatever is happening in the world. We are obligated to learn from the best in the world. When times change, we must keep learning in order to change, following or even leading the development of civilization.