mó gāo yī zhàng , dào gāo yī chǐ 
		the devil is ten foot tall, virtue one foot (idiom); It takes constant vigilance to stave off evil.
		 
		
		
														
		
		
			 
		
				
		
			mó gāo yī zhàng , dào gāo yī chǐ 
		the devil is ten foot tall, virtue one foot (idiom); It takes constant vigilance to stave off evil.