The golden sayings about crossing boundaries and keeping boundaries are as follows:

1. Think across boundaries, break through boundaries and open up infinite possibilities.

2. Keeping boundaries is a kind of safety, while crossing boundaries is a challenge.

3. Cross-border is the source of innovation, and keeping boundaries is the guarantee of stability.

4. Only by crossing boundaries can we broaden our horizons, and by staying within boundaries can we focus and improve.

5. Cross-border brings new perspectives, and boundary-keeping brings depth and precision.

6. Crossing boundaries means breaking the old pattern, while keeping boundaries means maintaining the existing order.

7. Crossing boundaries is the wings of thinking, and keeping boundaries is the guide to action.

8. Crossing boundaries can expand possibilities, and keeping boundaries can shape reality.

9. Crossing boundaries is a kind of breakthrough, and keeping boundaries is a kind of persistence.

10. Crossing boundaries can stimulate innovation, and keeping boundaries can strengthen professionalism.

11. Crossing boundaries brings diversity, and keeping boundaries brings professionalism.

12. Crossing boundaries is a symbol of openness, while keeping boundaries is a symbol of closure.

13. Crossing boundaries can broaden your horizons, and defending boundaries can strengthen your advantages.

14. Crossing boundaries is the ladder of progress, and keeping boundaries is the cornerstone of stability.

15. Crossing boundaries brings challenges and opportunities, while keeping boundaries brings security and stability.

16. Crossing boundaries means breaking through limits, and keeping boundaries means maintaining boundaries.

17. Crossing boundaries can stimulate potential, and keeping boundaries can shape quality.

18. Cross-border is the source of progress, and keeping boundaries is the guarantee of order.

19. Crossing boundaries brings new perspectives and ideas, and keeping boundaries brings professionalism and refinement.

20. Only by crossing boundaries can we see more possibilities, and by keeping boundaries can we achieve more reality.

21. Crossing boundaries is a kind of challenge and innovation, and keeping boundaries is a kind of responsibility.

22. Crossing boundaries can broaden the stage of life, and keeping boundaries can shape a professional image.

23. Only by crossing boundaries can we gain access to more knowledge and information, and by staying within boundaries can we conduct in-depth research and understanding.

24. Crossing boundaries is an attitude and spirit, and keeping boundaries is a responsibility and obligation.

25. Only by crossing boundaries can we discover more opportunities and challenges, and by keeping boundaries can we achieve more goals and results.

26. Crossing boundaries is a kind of exploration, and keeping boundaries is a kind of perseverance.

27. Only by daring to try to cross boundaries can you open up new possibilities.

28. Keeping boundaries is a rational choice, crossing boundaries is an emotional impulse.

29. Cross-border can bring new opportunities, and keeping boundaries can ensure sustainable development.

30. Crossing boundaries is to expand one’s horizons, and keeping boundaries is to clarify one’s direction.