Don't give up doing things.

1. "Rope can cut wood, but water can throw stones." The Biography of Hanshu Meicheng by Ban Gu in the Eastern Han Dynasty. In other words, the water flowing from Mount Tai can penetrate the rocks, and the string can break the trunk. Water is not a drill bit with diamonds, and rope is not a saw for sawing wood, but a little bit of friction makes the stone penetrate the wood. It tells people that perseverance and continuous efforts will surely succeed.

3. "Long winds and waves, and set my cloudy sail straight and bridge the deep, deep sea" comes from the "Three Difficult Poems" written by Li Bai, a poet in the Tang Dynasty, which means that one day, despite many obstacles ahead, he will ride the long winds and waves, hang up the Yun Fan, cross the sea and reach the ideal shore. Li Bai should go to Beijing to worship the Hanlin, trying to display his ambition of saving the country and saving the world, but he soon felt excluded and could not find a political way out. When he went or stayed, he wrote, it was hard to go.

4. "Learn Su Shi's book Jia Shuo sent to Zhang Hu in the Song Dynasty: it means reading more, reading more and understanding things; About taking: refers to slowly taking out a small amount. Accumulation: refers to a large amount of sufficient savings; Hair thinning: refers to a small amount of slow release. Save more and let it out slowly. Describe that only when you are fully prepared can you get things done well.

5. "Mount Tai can grow into a big one because it doesn't allow soil, and rivers and seas don't choose trickle, so it can grow into a deep one" comes from the book of remonstration and expulsion written by Li Si in Qin Dynasty. It means that the whole world is a universal unity, and the change and development of anything always starts with quantitative change, which is the inevitable result and the prerequisite and necessary preparation for qualitative change.