The Soul Is Characterized By These Capacities;

Purpose Is A Desire For Something In Our Own Power, Coupled With An Investigation Into Its Means.

So Virtue Is A Purposive Disposition, Lying In A Mean That Is Relative To Us And Determined By A Rational Principle, And By That Which A Prudent Man Would Use To Determine It. It Is A Mean Between Two Kinds Of Vice, One Of Excess And The Other Of Deficiency.

Wickedness Is Nourished By Lust.

Metaphysics Is Universal And Is Exclusively Concerned With Primary Substance. ... And Here We Will Have The Science To Study That Which Is, Both In Its Essence And In The Properties Which It Has.

Whatever We Learn To Do, We Learn By Actually Doing It; Men Come To Be Builders, For Instance, By Building, And Harp Players By Playing The Harp. In The Same Way, By Doing Just Acts We Come To Be Just; By Doing Self-controlled Acts, We Come To Be Self-controlled ; And By Doing Brave Acts, We Become Brave.