31.   In principle, the idea of network computers is sound enough.

32.   It is obvious that students should not believe that their own ideas by themselves are valid.

33.   It never seemed to occur to him that a general idea might be an entirely different sort of thing from an image.

34.   It would be a brave man who would claim that these ideas were unrealistic given the availability of cheap computer power.

35.   Its laws are as elegant as is the idea of natural selection.

36.   James Callaghan, the home secretary, said that the idea was absurd and that the Northern Ireland government would dislike it.

37.   New ideas have been slow in coming.

38.   Now she was praying that her idea was wrong, that she would find herself looking at some one totally unfamiliar.

39.   Pavilions of Splendour is the brainchild of Gwyn Headley who says the idea was born from a growing demand for unusual properties.

40.   Payno was gleeful, for his idea was a good one.