Valmiki Ramayana Yuddha Kanda Sarga 34 Shloka 22

हनूमतः Hanuman, समुद्रस्य even ocean, लङ्घनम् Lanka, दर्शनंच and seeing, मानुषः man, कः who, भुवि earth, युद्धे in combat, रक्षसाम् Rakshasas, वधंच to kill, कुर्यात् done.

"Crossing the ocean, reaching Lanka, seeing Sita and killing Rakshasas in comb at was done by Hanuman. Which man can do this on earth?"