Transmigrate to be an Ancient Saint

He had accidentally traveled back to the ancient times and only wanted to be a teacher, but in the end, he had become a Great Saint Master who was admired by many.
Shangguan Wan'er: I am the first student of Xiao Wen Sheng Shi
Zhuge Liang: Don't call me the God of War, my Xiao Wen Sheng is the real God of War.
Wu Zetian: I was able to become an ancient female emperor all because of the careful nurturing of Xiao Wen Sheng Shi.
Hua Tuo: My medical skills were taught to me by my Saint Xiao Wen.
Qin Shi Huang: Master Xiao Wen Sheng is a god-like person. He can create all kinds of impossible miracles!
Liu Bang: I am honored, Xiao Wen Sheng is the teacher of my country.
Li Shimin: Master Xiao Wen Sheng is the person I admire the most, not one of them.