Lin Xiu transmigrates to the Tang Dynasty and, in three years, teaches three disciples.
The three travel throughout the Tang Dynasty. One uses cowpox inoculation to relieve the suffering caused by an epidemic.
One shocks the Tang Dynasty with hybrid rice.
One uses wealth to disrupt the government and subdue Goguryeo without a single battle, stunning the whole nation.
Li Shimin rewards the three in front of his officials, then learns they all have the same teacher. The entire court is stunned.
Eager to recruit talented people, Li Shimin follows Liu Bei's example, visiting Lin Xiu three times to invite him into his service.
But Lin Xiu builds an academy in the mountains instead!
Left with no choice, Li Shimin sends his sons and daughters up the mountain. The great nobles and dukes send their own legitimate heirs as well, making them the first disciples of the Divine Academy.
From then on, Lin Xiu begins his journey to transform the Tang Dynasty.
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