Sometimes coincidentally an unintelligent person can accomplish a task but that does not mean that he is a knower of means and device or is experienced. A ruler should be careful enough to designate other tasks to such persons.
ChanakyaA tolerant person should not be harrased. The subject or the ruled ones generally is loyal to the ruler. The people tak to revolt when they are helpless. The duty of the ruler is that his humble people mey not tak to revolt being suppressed by his bad polity. Considering the forbearance of the subject, do not ill behave with them so that they may feel oppressed.
Chanakya