It's not enough to do your best; you must know what to do & then do your best.
No requirement of industry is so much neglected as operational definitions.
You can not hear what you do not understand.
You should not ask questions without knowledge.
A rule should suit the purpose.
Eighty-five percent of the reasons for failure are deficiencies in the systems and process rather than the employee. The role of management is to change the process rather than badgering individuals to do better.