如果你用石头挡住蚂蚁的去路，它会不停地绕道、从上面越过、从底下或从顶部走，直到它找到一条通向目的地的路。

If you put a stone in the way of an ant, it will go around, over, under or on top, without stopping, until it finds a way to get where it needs to be.

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爬山的人还要了解各种各样的草木，那些梯田山坡，失去路径再找到路径的技巧。

One learns different types of grasses, those peculiar terraced slopes, and the art of losing the trail and finding it again.

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