The true value of a forest cannot be measured in board feet alone.

可以教每个人雕刻：必须学会不要米开朗基罗。优秀的程序员也是如此。

I have to say to myself that some birds aren't very close. Their feathers are just too bright. When they fly away, you know it's a sin to lock them up, and you'll be inspired by them. Still, the place you live in is that much more drab and empty that they're gone. I think I really miss my friends.

The novel is a perfect medium for revealing to us the changing rainbow of our living relationships.