Ramayana
सत्यार्जवशमोपेतैस्तपोभिरतिदुष्करैः । सन्तापयन्तस्त्रील्लोँकान्सदेवासुरमानुषान् ॥ 7-5-11 ॥
By their exceedingly difficult austerities, attended with truthfulness, uprightness, and self-control, they scorched the three worlds together with their gods, demons, and men.
english translation