31.   History has taught that Hussein responds only to the threat or use of force.

32.   History should teach Mr. Sharif not to capitalize on his triumph and turn dictatorial.

33.   History teaches New Yorkers that corruption dies down in times of public scrutiny, but rises anew when the zeal for reform wanes.

34.   History teaches that Gingrich will not take this good advice about how to retain a clean image.

35.   History teaches that worrying overmuch about technological change rarely stops it.

36.   History teaches us that revenge builds upon revenge and more revenge.

37.   Here in Florida, history has taught scientists to be cautious of introducing any foreign, living thing into the environment.

38.   History has taught hospitals in Pakistan to be ready in times like these.

39.   History teaches that peace is contingent on how the victor handles the vanquished.

40.   History teaches us that many innovations have led to wildly exaggerated estimates of their future impact.