equanimity (noun) - calmness and composure; mental or emotional stability [ek-wuh-nim-i-tee]
BREAKDOWN: EQUI- (equal) + ANIM- (spirit) + -ITY (quality or state)
equanimous means even-tempered, calm, or composed
“Emphasizing what's in your control allows you to adopt an attitude of equanimity toward luck. You've done what you can, and from there you have to live with the results - good or bad.” —Michael Mauboussin