We can learn some life truths from the famous sayings and poems of the ancients. Please write two sentences and tell me what you know from them.

First, the authorities are confused, but the onlookers see clearly: I don't know the true face of Lushan Mountain, but I am but toward which corner of the mountain. Second, no matter what difficulties or setbacks I encounter, it is most important to always maintain a vibrant and optimistic attitude. Let's always keep the beauty of this spring in our hearts, thinking about beauty and life: Qian Fan by the shipwreck and Wan Muchun by the sick tree.