Happiness Does Not Lie In Amusement; It

It Is Simplicity That Makes The Uneducated More Effective Than The Educated When Addressing Popular Audiences.

What It Lies In Our Power To Do, It Lies In Our Power Not To Do.

In [the Soul] One Part Naturally Rules, And The Other Is Subject, And The Virtue Of The Ruler We Maintain To Be Different From That Of The Subject; The One Being The Virtue Of The Rational, And The Other Of The Irrational Part. Now, It Is Obvious That The Same Principle Applies Generally, And Therefore Almost All Things Rule And Are Ruled According To Nature.

It Is Our Actions And The Soul's Active Exercise Of Its Functions That We Posit (as Being Happiness).

While Most Of Those Who Hold That The Whole Heaven Is Finite Say That The Earth Lies At The Center, The Philosophers Of Italy, The So-called Pythagoreans, Assert The Contrary. They Say That In The Middle There Is Fire, And That The Earth Is One Of The Stars, And By Its Circular Motion Round The Center Produces Night And Day.