As we do our work, we will always encounter problems.
As we do our work, we will always perform many tasks.
As we do our work, we will not always achieve goals.
Throughout our business careers, problems will outnumber achieved goals.
We need to keep that fact in perspective.
If we expend too much energy anticipating [worrying about, planning for] and addressing problems then we will not have enough energy left to achieve goals.
As we plan how our energy will be used, we must make sure we allocate enough energy for focusing on goals while doing tasks.