• Humans are different from animals and plants, because humans can choose to reason.
• Humans should specialize in the quality unique to humans: reasoning.
• Devotion to pleasure is something animals can do, what animals cannot do is to devote themselves to reason.
• Devotion to covetousness or greed is something animals can do, what animals cannot do is to devote themselves to reason.
• Devotion to drama, excitement, or stimulation is something animals can do, what animals cannot do is to devote themselves to reason.