Valmiki Ramayana Yuddha Kanda Sarga 88 Shloka 28

राक्षस Rakshasa, कर्म action, अकृत्वा without performing, किमर्थम् What is the use, कत्थसे praising yourself, येन by that, अहम् I, तव your, कत्थनम् by praising, श्रद्धध्याम् create trust, तत् that, कर्म action, कुरु show that

Rakshasa! What is the use of praising without performing action? Show by action and create trust that you can perform.