Authors:

As soon as you concern yourself with the "good" and "bad" of your fellows, you create an opening in your heart for maliciousness to enter. Testing, competing with, and criticizing others weakens and defeats you.

"The Art of Peace" by Morihei Ueshiba, translated by John Stevens, 1992.
As soon as you concern yourself with the good and bad of your fellows, you create an opening in your heart for maliciousness to enter. Testing, competing with, and criticizing others weakens and defeats you.