The most important rule is to formulate, clearly and precisely, the goal to be reached, and then to retain it unswervingly in mind throughout all the stages of the execution, which are often long and complex.
最重要的规则是明确和精确地拟订要达到的目标，然后在执行的所有阶段中始终不渝地将其牢记在心，这些阶段往往是漫长和复杂的。