1. It was a very foolish thing to do.

2. What induced you to do such a foolish thing?

3. If he had a modicum of sense, he wouldn't do such a foolish thing.

4. They write off Ireland as a spent force, which in my experience is a foolish thing to do.

5. It was a Breathtakingly foolish thing to say in public

6. It was a Breathtakingly foolish thing to say in public

7. It was a Breathtakingly foolish thing to say in public … Wiktionary

8. What would possess you to do something so foolish?

9. One cannot do a foolish thing once in one's life, but one must hear of it a hundred times. 

10. She could get herself some foolish, well-to-do married man.

11. Coveting makes senses as long as you are going to live forever! But if you plan to die someday, Coveting is the most foolish thing you can do

12. It's the charitable thing to do.

13. What a mad thing to do!

14. What a gormless thing to do!

15. What a horrible thing to do!

16. Honestly! What a thing to do!

17. What a selfish thing to do!

18. What a stupid thing to do!

19. This thing doesn't do a damn thing.

20. Foolish, foolish child.

21. Please, you gotta promise me you won't do anything foolish.

22. That was the right thing to do.

23. You foolish, foolish woman.

24. This was a cowardly thing to do.

25. What an utterly stupid thing to do!

26. It was an imbecile thing to do.

27. What a damn fool thing to do!

28. That was an imbecilic thing to do!

29. That was a silly thing to do!

30. Do the honorable thing.

31. Do the same thing.

32. Do the right thing.

33. Why you let her talk you into doing such a foolish thing is beyond my comprehension .

34. Happy to do that chairman thing for you.

35. The best thing to do would be to apologize.

36. I don't need to do a damn thing.

37. It seemed the only logical thing to do.

38. What motivated you to do such a thing?

39. That was a real goofy thing to do.

40. It was a pretty stupid thing to do.

41. The great thing is to do nothing hasty.

42. 12 It was a wicked thing to do.

43. It was an absolutely despicable thing to do.

44. Male speaker It's a cowardly thing to do.

45. Still, he had to do the honourable thing ....

46. He is devising how to do that thing.

47. I'll do the right thing.

48. Wasn’t that a terrible thing for Cain to do?

49. They'll do anything to keep the whole thing secret.

50. It's hypocritical to say one thing and do another.

51. 11 Apologizing is never the easiest thing to do.

52. I'm just trying to do the right thing here.

53. It was a stupid thing to do, I admit.

54. It was still an unbelievably stupid thing to do.

55. That was a rotten thing to do, you skunk!

56. He might think it the honourable thing to do.

57. Now, I want you to do exactly the same thing I am about to do.

58. Calling a doctor seemed the logical thing to do.

59. That was a wicked and spiteful thing to do.

60. That was a pretty low-down thing to do.

61. I know better than to do such a thing.

62. What induced you to do such a stupid thing?

63. Do one thing at a time, and do well.

64. The remarkable thing to us is that, when you give monkeys this choice, they do the same irrational thing that people do.

65. the thing is what I do?

66. Do not quibble over the thing.

67. Do one more thing for me?

68. You are really a hooligan to do such a thing.

69. Foolish girl.

70. Do one thing at a time, and do it well.

71. To say is one thing; to do is quite another. 

72. Another thing you need to do … is allowing Coediting to work

73. Foolish woman.

74. What could we do to test this very same thing?

75. Might be the sensible thing to do, all things considered.

76. Stupid: Frankly, it seems like a Birdbrained thing to do

77. They urged her to do the honourable thing and resign.

78. Your instincts will tell you to do one thing but I implore you to do the opposite.

79. 3 To say is one thing; to do is quite another. 

80. The shortest way to do many things is to do only one thing at a time.