2, gold is not a treasure, everything is empty.
3. Keep the eagle's heart high, learn from the eagle's ambition and dare to take risks, and melt the eagle's god at the top of the mountain.
1, young people don't work hard, and the elderly are sad. They all say that they don't work hard when they are young and strong. It's no use being sad when you are old. Source "Yuefu Poems and Long Songs"
2, Tian Xingjian, the gentleman is constantly striving for self-improvement. Zhou Wenwang and Jichang's Book of Changes. It means that the universe keeps running, and people should follow the example of heaven and earth and move forward forever.
3. Eat bitterness and you will become a master.