The structural unity of the parts is such that, if any one of them is displaced or removed, the whole will be disjointed and dis­turbed. For a thing whose presence or absence makes no visible difference is not an organic part of the whole.

The aim of the wise is not to secure pleasure, but to avoid pain.

Learning is not child's play; we cannot learn without pain.

Teenagers these days are out of control. They eat like pigs, they are disrespectful of adults, they interrupt and contradict their parents, and they terrorize their teachers.

A goal gets us motivated,while a good habit keeps us stay motivated.

A city is composed of different kinds of men; similar people cannot bring a city into existence.

Some vices miss what is right because they are deficient, others because they are excessive, in feelings or in actions, while virtue finds and chooses the mean.