Devotion has acts for its characteristic. Knowledge is the characteristic of renunciation. Therefore, kecping knowledge before his view, the man of understanding should practise renunciation.
प्रवृत्तिलक्षणो योगो ज्ञानं संन्यासलक्षणम्। तस्माज्ज्ञानं पुरस्कृत्य संन्यसेदिह बुद्धिमान्॥