一个私人秘书，如果他要象那样把大的和小的说合到一起，那是绝不会在世界上爬得上去的。
A private secretary will never rise in the world if he couples great and small in that way.
树的枝干得矮到不用绳索也爬得上去，同时又得有些又高又粗的大树枝来绑吊床。
It must have branches low enough to be ascended without a rope, but also have boughs high and sturdy enough that the hammocks can safely be suspended.
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