cogito, ergo sum
Latin quotation from Descartes
co·gi·to, er·go sum ˈkō-gi-ˌtō ˌer-gō-ˈsu̇m 
: I think, therefore I am
- fight talk
- fight the good fight
- fight to the finish
- fight with
- fight-or-flight
- fightabilities
- fightable
- fightbacks
- fighter
- fighter-bomber
- fighter-interceptor
- fighters
- fighting
- fighting back
- fighting chair
- fighting chance
- fighting cock
- fighting crab
- fighting fish
- fighting for
- fighting for breath
- fighting off
- fighting on
- fighting shy of
- fighting top