“There must be a stronger foundation than mere friendship or sexual attraction. Unconditional love, agape love, will not be swayed by time or circumstances. ”

“If we would build on a sure foundation in friendship, we must love our friends for their sakes rather than for our own.”

“For the good of all, I say: Be careful, the brutality of the world must not be more powerful or attractive than love and friendship.”

“Love between man and woman is impossible because there must not be sexual intercourse, and friendship between man and woman is impossible because there must be sexual intercourse.”

“Love must not entreat,' she added, 'or demand. Love must have the strength to become certain within itself. Then it ceases merely to be attracted and begins to attract.”

“Friendship has splendors that love knows not. It grows stronger when crossed, whereas obstacles kill love. Friendship resists time, which wearies and severs couples. It has heights unknown to love.”