"No great genius has ever existed without some touch of madness."

"The best life is the life of virtue, which is practical reason."

"Educating the mind without educating the heart is no education at all."

"The state is by nature clearly prior to the family and to the individual, since the whole is of necessity prior to the part."

"It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied."