Jade Empire Wiki
"The Empire was forged out of warring countries by the iron will and inestimable might of Sagacious Tien, the first Emperor. In titanic battles and tense negotiations he brought harmony to the chaotic world and created a single culture that stands tall over all others".
Old Ming

Sagacious Tien was the first Emperor of the Jade Empire. He is likely inspiration behind the name of Tien's Justice and for town of Tien's Landing. Sagacious Zu was named after the Emperor or rather took the his name and bestowed it upon himself. In the palace, the Player will pass a door and Silk Fox will tell you that it is the place of his tomb.

Sagacious Tien was also known to be an incredibly distinguished philosopher, one whose teachings layed for the foundation for his Jade Empire's understanding of the world. In particular, he is believed to have taught the concepts of Harmony and Discord, more commonly referred to as The Way of the Open Palm and The Way of the Closed Fist. Tien was a follower of Harmony, however he taught his students both concepts as he felt it was impossible to appreciate one without the other.