The happiest end of life is this: when the mind and the other senses being unimpaired, the same nature which put it together takes asunder her own work.
So we must lay it down that the association which is a state exists not for the purpose of living together but for the sake of noble actions. Those who contribute most to this kind of association are for that very reason entitled to a larger share in the state than those who, though they may be equal or even superior in free birth and in family, are inferior in the virtue that belongs to a citizen. Similarly they are entitled to a larger share than those who are superior in riches but inferior in virtue.
Instruction in sex is as important as instruction in food; yet not only are our adolescents not taught the physiology of sex, but never warned that the strongest sexual attraction may exist between persons so incompatible in tastes and capacities that they could not endure living together for a week much less a lifetime.