To love is also good: for love is difficult. Fondness between human beings: that is perhaps the most difficult task that is set us, the ultimate thing, the final trial and test, the work for which all other work is only preparation. Therefore young people–who are beginners in everything–cannot know love yet: they have to learn it. With their whole being, with all their strength gathered about their lonely, fearful, upward beating heart, they must learn to love.