Find five comparative sentences in Yu's prose.

1. The third ruin in Yu's essay "Cultural Journey" is either full of nostalgia in winter or pragmatic fashion. Those who yearn for the past only want to make use of the ancient present, while those who follow the times only want to destroy the ancient present. "

2. The fifth in Yu's prose "The Night Boat", "The waves at the bow can't be poured in; The wind outside the ship can't blow in. "

3. In Yu's prose "Dream of the West Lake", he said: "I can no longer see the prose handed down from generation to generation, only the couplets on the colonnade are dancing in dragons and phoenixes. I can no longer find a rich legacy, only a few pavilions to hang and rest, and I no longer expect the tremor of history, only mountains and lakes to sit in awe. "

4. There is a sentence in Yu's essay "A Corner of Dongting Lake" that "the mind is big, and Dongting Lake is small."

5. In Yu's essay Dujiangyan, "He is both stupid and clever. He is clumsy and clever. "

6. In Yu's essay "White Lotus Cave", "Soft fingers touch hard fossils, perishable life asks endless history."

7. In Yu's essay Mogao Grottoes, "Compared with the Egyptian pyramids, the Indian Yamazaki Tower and the Colosseum ruins in ancient Rome, many cultural sites in China often have historical levels."