The activity of happiness must occupy an entire lifetime; for one swallow does not a summer make.

Friendship is communion.

Between husband and wife friendship seems to exist by nature, for man is naturally disposed to pairing.

Teaching is the highest form of understanding.

At the intersection where your gifts, talents, and abilities meet a human need; therein you will discover your purpose

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.

A life of wealth and many belongings is only a means to happiness. Honor, power, and success cannot be happiness because they depend on the whims of others, and happiness should be self-contained, complete in itself.