1. 苦难是人生的老师。

2. Where there is difficulty， there is strength.

3. 被克服的困难就是胜利的契机。

4. 困难是严正无比的教师。

5. 玉经磨多成器，剑拔沉埋便倚天。

6. Spirit after a hundred tempers， sharp and firm.

7. A man's failure is the direct result of himself.

8. 不认识痛苦，就不是一条好汉。

9. Hard work can overcome all difficulties.

10. 错误常常是正确的先导。

11. What the world lacks is perseverance， not strength.

12. 英雄常食苦难与试练的面包。

13. Night awakens， today regrets yesterday's loss.

14. 当失败不可避免时，失败也是伟大的。

15. Errors are often the forerunners of correctness.

16. 失败的教训，成功获经验。

17. There are only unhappy axes and no wood that cannot be split.

18. 能克服困难的人，可使困难化为良机。

19. When a sword is drawn and buried， it leans against the sky.

20. 不经巨大的困难，不会有伟大的事业。

21. No difficulty， no wisdom.

22. Heroes often eat bread of suffering and trial.

23. Genius lies in accumulation， wisdom lies in diligence.

24. 天下无难事，唯坚忍二字，为成功之要诀。

25. From thrift to luxury is easy， from luxury to frugality is difficult.

26. 许多赛跑的人失败，都是失败在最后几步。

27. Learning is like getting on board a boat， a pool can not be slowed down.

28. Nothing is difficult in the world， but perseverance is the key to success.

29. 忍耐和专心，会使我们渡过难关。

30. 只有在苦难中，才能认识自我。

31. 夜觉晓非，今悔昨失。

32. Without great difficulties， there will be no great cause.

33. Every success of Pepsi is respected， and its failure will also slow down.

34. It is rare to succeed without many failures.

35. 坚忍是成功的诀窍。

36. Errors cannot stand failure， but truth is not afraid of failure.

37. 失败是坚忍的最后考验。

38. 困苦能孕育灵魂和精神的力量。

39. 凡百事之成也在敬之，其败也必在慢之。

40. Perseverance is the shortcut to a destination.

41. Hardship breeds the power of soul and spirit.

42. Those who are afraid of climbing the peak will always wander under the mountain.

43. He who does not know pain is not a good man.

44. Misery is the teacher of life.

45. Husbands are indefatigable， and success or failure is beyond question.

46. 人才由磨炼而成。

47. 逆境能打败弱者而造就强者。

48. The greater the difficulty， the greater the glory.

49. This is the way the world has gone through its adventures， and patience is behind it.