A body in motion can maintain this motion only if it remains in contact with a mover.

For this reason poetry is something more philosophical and more worthy of serious attention than history.

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.

It is possible to fail in many ways...while to succeed is possible only in one way.

The avarice of mankind is insatiable; at one time two obols was pay enough; but now, when this sum has become customary, men always want more and more without end.

For even they who compose treatises of medicine or natural philosophy in verse are denominated Poets: yet Homer and Empedocles have nothing in common except their metre; the former, therefore, justly merits the name of the Poet; while the other should rather be called a Physiologist than a Poet.

Our characters are the result of our conduct.