Euthymia

Seneca defined euthymia as believing in yourself and trusting that you are on the right path, and not being in doubt by following the myriad footpaths of those wandering in every direction.

Euthymia, he insisted, is the state of mind that produces tranquility.

It resonated.

(H/T: “The Daily Stoic” by Ryan Holiday and Steven Hanselman)