Everyone has the right to doubt everything as often as he pleases and the duty to do it at least once. No way of looking at things is too sacred to be reconsidered. No way of doing things is beyond improvement.
EDWARD DE BONO
It is well known that “problem avoidance” is an important part of problem solving. Instead of solving the problem you go upstream and alter the system so that the problem does not occur in the first place.
