Fools rush in where incumbents fear to tread.

Fools rush in where angels fear to tread.

It is impossible for the fools to tread the path of learned ones.

One of the most feared expressions in modern times is 'The computer is down.'

If today was half as good as tomorrow is supposed to be, it would probably be twice as good as yesterday was.

There are many highly successful businesses in the United States. There are also many highly paid executives. The policy is not to intermingle the two.