"When you wish to instruct, be brief; that men's [children's] minds take in quickly what you say, learn its lesson, and retain it faithfully. Every word that is unnecessary only pours over the side of a brimming mind."
"What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious."
"The life given us, by nature is short; but the memory of a well-spent life is eternal."
"To study philosophy is nothing but to prepare one’s self to die."
"Times are bad. Children no longer obey their parents, and everyone is writing a book."
"Love is the attempt to form a friendship inspired by beauty."