《明史·列传·卷二百零三》
岳凤侦察了这个消息后，集结了陇川的军队二千人，日夜兼程赶到戛撒把莽瑞体从一条小路救出逃走。
岳凤侦知之，集陇川兵二千兼程进，导瑞体由间道遁去。
After Yue Feng received information about this, he gathered an army of two thousand from Longchuan, and traveled day and night to reach Jiasa to save Mangrui from a small path.
<s>[INST] Kindly elucidate the central themes in this passage in English: 岳凤侦知之，集陇川兵二千兼程进，导瑞体由间道遁去。 [/INST] After Yue Feng received information about this, he gathered an army of two thousand from Longchuan, and traveled day and night to reach Jiasa to save Mangrui from a small path.</s>
Kindly elucidate the central themes in this passage in English: 岳凤侦知之，集陇川兵二千兼程进，导瑞体由间道遁去。
user
After Yue Feng received information about this, he gathered an army of two thousand from Longchuan, and traveled day and night to reach Jiasa to save Mangrui from a small path.
assistant