The Gestalt principles of organization are fundamental to understanding how we perceive the world around us.

The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.

天下的一切事物不可以没有标准，做人要有做人的标准，即原则;做事要有做事的标准，即规则;治国要有治国的标准，即法则。不遵循一定的标准而能成事者，自古以来是没有的。