translation.en: So the cause of the crash, the cause of the crisis has to be found in an inner instability of the system, and any tiny perturbation will make this instability occur.
translation.zh: 所以泡沫的根源，危机的根源， 必须从系统本身的不稳定中去寻找， 任何微小的扰动都会导致不稳定发生。