cogito, ergo sum
Latin quotation from Descartes
co·gi·to, er·go sum ˈkō-gi-ˌtō ˌer-gō-ˈsu̇m 
: I think, therefore I am
- make a show
- make a song and dance about
- make a song and dance about (something)
- make a song and dance about something
- make a spectacle of oneself
- make a splash
- make a stab at
- make a start
- make a stop
- make a study of
- make a virtue (out) of necessity
- make a virtue of necessity
- make a virtue out of necessity
- make a wager
- make a wish
- make a yelp
- make a/one's selection
- make a/the connection
- make all the difference
- make allowance for
- make amends
- make amends (for)
- make amends for
- make an analogy between
- make an appearance