Story (1)
See Yongle Dadian Xue Rengui's Liao Chronicle.
In the seventeenth year of Emperor Taizong's reign, emperor Zhao personally marched and led an army of 300,000 to the east of Ning.
One day, the mighty army came east to the sea, and the emperor saw that only the white waves were emptying in front of him, and the sea was endless, so he asked the general managers about the plan to cross the sea, and the four of them looked at each other.
Suddenly, a rich man who lived near the sea asked to see the driver, and said that 300,000 naval grains were already available. The emperor was overjoyed, so he led a hundred officials to follow this rich man to the seashore.
I saw that all the households were covered with a colorful curtain, which was very tight. The old man of Haomin walked backwards to the east to lead the emperor into the room. Inside, there are embroidered curtains and colorful brocade, and the mattress is paved. Hundreds of officials drank wine, feasted and drank. Soon, the wind was blowing, the waves were thunderous, the cups were tilted, and the human body was shaking, for a long time.
Emperor Taizong was alarmed, and he hurriedly ordered his close ministers to unveil the color curtain to inspect, but if they did not look at it, they were shocked. The sea is full of clear seas, where is the guest of the rich people's homes, the army has sailed above the sea! It turned out that this haomin was dressed as a newly recruited hero Xue Rengui, and this plan of "hiding the sky and crossing the sea" was planned by him.
Analysis: The tactic of "concealing the sky and crossing the sea" is used in the art of war, which is actually a strategy to show falsehood and conceal the truth of the doubtful soldiers, and is used as a campaign camouflage in order to achieve unexpected combat results.
Story (2)
In 589, the Sui Dynasty attacked the State of Chen on a large scale.
This Chen kingdom was founded by Chen Baxian in 557 AD, with the name of Chen, and the capital city was built in Jiankang, which is today's Nanjing.
Before the war, the Sui Dynasty general He Ruobi was ordered to command the defense of the river, and often organized garrison troops along the river to transfer defenses. Each time the troops were ordered to concentrate at Liyang (in present-day Anhui Province and the area around the county).
He also specially ordered that when the three armed forces were concentrated, they must display a large banner, spend police tents all over the place, and publicize their momentum in order to confuse Chen Guo. If Chen Guo was really difficult to distinguish between the truth and the truth, at first he thought that a large army was coming, so he sent all the soldiers and horses of the sergeant of the country to prepare to face the enemy.
Soon, however, it was discovered that it was the Sui army garrison that was deploying the defense, not the attack, so Chen withdrew the assembled fighting troops. Five times and three times like this, the Sui army was frequently dispatched to defend, and the clues were not revealed at all, and Chen Guo was even accustomed to it, and his vigilance was lax.
Until the Sui general He Ruobi's army crossed the river, Chen Guo was unaware. The Sui army was like a heavenly soldier, which caught Chen Bing off guard, so he took Chen Guo's southern Xuzhou (around present-day Zhenjiang City, Jiangsu Province) in one fell swoop.