In A Polity, Each Citizen Is To

The Man Who Is Content To Live Alone Is Either A Beast Or A God.

The Happy Life Is Thought To Be One Of Excellence; Now An Excellent Life Requires Exertion, And Does Not Consist In Amusement.

The Business Of Every Art Is To Bring Something Into Existence, And The Practice Of An Art Involves The Study Of How To Bring Into Existence Something Which Is Capable Of Having Such An Existence And Has Its Efficient Cause In The Maker And Not In Itself.

The Energy Of The Mind Is The Essence Of Life.

Our Characters Are The Result Of Our Conduct.