You can engrave some words to inspire yourself, or some words that represent a higher realm of life. Here are some examples:
1. If you don’t climb the mountain, you won’t know how high the sky is; Near a deep stream, I don't know how thick the land is.
2. Learn it extensively, interrogate it, think carefully, discern it clearly, and practice it diligently.
3. Be broad-minded and make reservations, accumulate thickly but only thinly.
4. Even if your ambition is not old enough, you will still be a ghost after death.
5. Worry about the world’s worries first, and rejoice after the world’s happiness.
6. Heaven is moving vigorously, and a gentleman strives to constantly strive for self-improvement.
7. Every man is responsible for the rise and fall of the world.
8. I am born with talents that will be useful, and I will come back after spending all my money.
9. Born in sorrow and died in happiness.
10. Live as a hero, and die as a ghost.
11. If young people don’t work hard, old people will be sad.
12. The three armies can seize the commander, but an ordinary man cannot seize the will.
13. The journey of the sun and the moon, if it comes out of it.
14. Who has never died since ancient times? Keep your loyalty to reflect history.
15. Be poor and strong, and never fall into the clouds.
16. After thousands of hardships, you are still strong, regardless of the winds from east to west, north and south.
17. Why don’t men take Wu Gou and collect the fifty states in Guanshan?
18. The road is long and long, and I will search up and down.
19. In his old age, martyrs are full of ambition.
20. Sacrificing one’s life in a national disaster, treating one’s death as if one were returning home.
21. Work hard and die.
22. He can hold the eagle bow like the full moon, look northwest, and shoot at the wolf.