On a climb, if you come across overgrown brambles, you should have a will as firm as a roch; in a long and arduous journey, confronted with a bleak and boundless desert, you should possess the stamina of a camel.

• 在攀登的道路上，如果遇到丛生的荆棘，你要有岩石的意志；在跋涉的长途中，如果遇到冷寂无垠的荒漠，你要有骆驼的耐力。