31.   Coopersmith noted that both the Arkansas and Colorado areas were well known long before the Canadian discoveries.

32.   Constantine knew long before Carl von Clausewitz that in war the psychological is more important than the physical.

33.   Denver knew even before the contest that it had a nice shot at avoiding the record.

34.   Delta, for example, will telephone customers to notify them of flight cancellations when they are known at least two hours before departure.

35.   Down the block I find a man I never knew before.

36.   Depend upon it, there comes a time when for every addition of knowledge you forget something that you knew before.

37.   During the deposition, she acknowledged that such information could have been valuable had she known it before the flood.

38.   For all the world knew before this, Hunter was the glowering, protective presence around Jones.

39.   Few people knew them before Tuesday afternoon.

40.   For the economy, too, the world we knew before Tuesday no longer exists.