on (one's) own volition

Of one's own choice. No one told me to leave. I left early on my own volition. You failed this class on your own volition—don't try to blame it on me!

Common Names:

Name	Pronounced	Usage
Takumi	tah-koo-mee	Japanese
Benito	be-NEE-to	Spanish, Italian
Gheorghe	-	Romanian
Mathieu	-	French
Viktor	VIK-tawr (German), VEEK-tahr (Russian)	Swedish, Norwegian, Danish, Icelandic, German, Hungarian, Czech, Slovak, Bulgarian, Russian, Ukraini
Lazare	-	French