Theory of mind is the ability to attribute mental states—beliefs, intents, desires, pretending, knowledge, etc.—to oneself and others and to understand that others have beliefs, desires and intentions that are different from one's own.

 

Theory of mind is a theory insofar as the mind is not directly observable. The presumption that others have a mind is termed a theory of mind because each human can only intuit the existence of his or her own mind through introspection, and no...

"I'm not upset that you lied to me, I'm upset that from now on I can't believe you."

 

Friedrich Nietzsche

The Stoics formalized a belief in Greek philosophy called "Antakolouthia" or the mutual entailment of the virtues.

By this view, no virtue is a virtue by itself. They all include an opposite quality, and overusing a specific strength turns it into a liability.

Confidence untempered by humility, for example, turns into arrogance.

Courage without prudence becomes recklessness.

Tenacity unmediated by flexibility congeals into rigidity.

Honesty in the absence of compassion is cruelty.