One would not cross a mountain-pass with a thick cloth over his eyes.

Lovers do.
Friendship walks gently and with open eyes.
To walk to church with a friend! To sit beside her there! To rise when she rises, and to touch with one's thumb and fingers the other half of the hymn-book that she holds! What lover, with his fierce ways, could know this transcendent happiness?
Friendship brings everything that heaven could bring.

There is no labor that cannot become a living rapture if you know that a friend is thinking of you as you labor.

So you sing at your work.

For the work is part of the thoughts of your friend; so you love it! Love is demanding and claiming and insistent.