यदा प्रहृष्टा मन्येत सर्वास्तु प्रकृतीर्भृशम् । अत्युच्छ्रितं तथात्मानं तदा कुर्वीत विग्रहम् ॥ १७० ॥
But when he thinks all his subjects to be exceedingly contented, and (that he) himself (is) most exalted (in power), then let him make war.
english translation