Authority Is No Source For Truth.

I Will Not Allow The Athenians To Sin Twice Against Philosophy.

It Is A Part Of Probability That Many Improbable Things Will Happen.

Metaphysics Involves Intuitive Knowledge Of Unprovable Starting-points Concepts And Truth And Demonstrative Knowledge Of What Follows From Them.

A Constitution Is The Arrangement Of Magistracies In A State.

Our Virtues Are Voluntary (and In Fact We Are In A Sense Ourselves Partly The Cause Of Our Moral Dispositions, And It Is Our Having A Certain Character That Makes Us Set Up An End Of A Certain Kind), It Follows That Our Vices Are Voluntary Also; They Are Voluntary In The Same Manner As Our Virtues.