What are the famous aphorisms and poems about having backbone?

1. To learn a hundred things, one must first be determined. (Zhu Xi)

2. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold.

3. The knowledge of erudition , interrogate, think carefully, discern clearly, and practice diligently. ("Book of Rites")

4. If you don't climb a high mountain, you don't know how high the sky is; if you don't go to a deep stream, you don't know how thick the earth is. ("Xunzi")

5. If you don't fly, you will be fine. If you soar into the sky; You don’t know who is in trouble. (Confucius)

7. When the wind blows and the waves break, I hang up my sails to cross the sea. (Li Bai)

8. My heart is like a magnetic needle, and it does not guide me. Fang refused to rest. (Wen Tianxiang)

9. Thousands of sails passed by the side of the sunken boat, and thousands of spring trees were in front of the diseased trees. (Liu Yuxi)

10. A real man would rather break the jade into pieces than make it whole. (Book of the Northern Qi Dynasty)

11. Great uprightness is like bending, great skillfulness is like clumsiness, great debate is like indifference. ("Laozi")