There were four things from which the Master was entirely free. He had no foregone conclusions, no arbitrary predeterminations, no obstinacy, and no egoism.
子绝四：毋意，毋必，毋固，毋我。
Source: The Analects, Zi Han IX, Chapter 4
Author: The Compilers
The Four Emptinesses: Freedom from Conjecture, Certainty, Inflexibility, and Self
