“Courage is the first of human qualities because it is the quality which guarantees the others.”

“Courage is rightly esteemed the first of human qualities... because it is the quality which guarantees all others. ”

“Quality is not an act, it is a habit.”

“We acquire a particular quality by acting in a particular way.”

“Happiness is a quality of the soul...not a function of one's material circumstances.”

“Courage is the mother of all virtues because without it, you cannot consistently perform the others.”

“Men acquire a particular quality by constantly acting a particular way... you become just by performing just actions, temperate by performing temperate actions, brave by performing brave actions.”