Si vis pacem/pacis, para bellum.

Sic gorgiamus allos subectos nunc.

Ave Atque vale

Alea jacta est

Nosce te ipsum

nascentes morimur

Ipsa scientia potestas est

Quis custodiet ipsos custodiet

I am quite certain that the argument you've already won in your head was entirely more satisfying to you than the one that is actually occurring.

You want to make God laugh? tell him you plans!