prìma fàcie - at first glance; as to evidence which is sufficient unless rebutted or disputed.
princìpia pròbant, non probàntur - principles are the essence of evidence, they cannot be proven.
principiòrum non est ràtio - there is no reason for principles.
princìpium est potìssima pars cujùsque rei - the beginning is the most important part of everything.