Excessive thinking
Weakens the will.
The more you know,
The more your mind
Is confused.
A confused mind gives
Rise to vexation.
The weakened will obstructs the Tao.

FuXi Xin Wangming (497 CE-569 CE), FuXi Dashi was a Zen master contemporary with Bodhidharma, the person credited with bringing Zen to China. He was bestowed with the honorific, Mahasattva, meaning Great Wise One due his wisdom.