Authors:

Subtle and insubstantial, the expert leaves no trace; divinely mysterious, he is inaudible. Thus he is master of his enemy's fate.

"The Art of War". Chapter VI: Weaknesses and Strengths. Translated by Chow-Hou Wee, 2003.
Subtle and insubstantial, the expert leaves no trace; divinely mysterious, he is inaudible. Thus he is master of his enemy's fate.