Knowing properly, through spies, the external conduct and the state of mind of the inhabitants of his city and provinces, he should take the necessary steps.
बाह्ममाभ्यन्तरं चैव पौरजानपदं तथा। चारैः सुविदितं कृत्वा ततः कर्म प्रयोजयेत्॥