1, idiom: there is no extreme success, which means that when adversity reaches its extreme, it will turn the corner. Bad luck is coming, and so is good luck. From China's classics "Zhouyi Wu" and "Zhouyi Tai".

2. As the saying goes, extremes meet, and extremes meet.

3. Poetry: Tang Xu Soul "East Building of Xianyang City" "Clouds sink in the morning, rain comes." More metaphors are used to express the urgency of political struggle or the eve of emergencies.

4. Famous saying: The tranquility before the storm is brewing what will happen next. Churchill

"Quiet before a storm" was originally a proverb, which was about an atmospheric physical phenomenon. Since ancient times, human beings have constantly found that when a storm (or thunderstorm) comes, the sky is gloomy, there is silence between heaven and earth, passers-by are in a hurry, and the whole atmosphere is very dull. Soon, heavy rain or thunderstorm began to make a scene.