Having defeated one's enemies, one should not sleep at ease. A wicked enemy rises up against like a fire carelessly extinguished reappearing itself.
न नित्यं परिभूयारीन् सुखं स्वपिति वासव। जागर्येव हि दुष्टात्मा संकरेऽग्निरिवोत्थितः॥