Who says Chinese mathematicians are idiots?

It is generally agreed that the development of mathematics is one part of western civilization. So, there is a common belief which is that, Europe is the cradle of the advancement of mathematics. 

Click on the image.

But the fact is that, when many people are admiring the mathematical genius of Newton, Euler, Pythagoras and Descartes, in the ancient China there were a number of great mathematicians who have spent their whole lives exploring the mysteries behind numbers.