One Swallow Does Not Make A Spring,

Those Who Have Been Eminent In Philosophy, Politics, Poetry, And The Arts Have All Had Tendencies Toward Melancholia.

Happiness Is An Activity Of The Soul In Accordance With Virtue

Justice Is The Loveliest And Health Is The Best. But The Sweetest To Obtain Is The Heart's Desire.

The Soul Has Two Parts, One Rational And The Other Irrational. Let Us Now Similarly Divide The Rational Part, And Let It Be Assumed That There Are Two Rational Faculties, One Whereby We Contemplate Those Things Whose First Principles Are Invariable, And One Whereby We Contemplate Those Things Which Admit Of Variation.

Demonstration Is Also Something Necessary, Because A Demonstration Cannot Go Otherwise Than It Does, ... And The Cause Of This Lies With The Primary Premises/principles.