Valmiki Ramayana Bala Kanda Sarga 21 Shloka 10

एष: Visvamitra, विग्रहवान् embodiment, धर्म: righteousness, एष: Visvamitra, वीर्यवताम् of those possessing prowess, वर: excellent, एष: Visvamitra, बुध्या in intellect, लोके in this world, अधिक: surpasses, तपस: in asceticism, परायणम् last resort (supreme refuge).

This (Viswamitra) is an embodiment of righteousness and unsurpassed among the powerful. None can excel him in intellect in this world. He is the supreme refuge in austerity.