Valmiki Ramayana Aranya Kanda Sarga 47 Shloka 46

काञ्चनसीसलोहयोः between gold and lead, यत् whatever, अन्तरम् difference, चन्दनवारिपङ्कयोः between sandal and slime, यत् whatever, अन्तरम् difference, हस्तिबिडालयोर्वने between the elephant and the cat in the forest, दाशरथेः of Dasaratha's son, तवैव च and yours, तत् that, अन्तरम् difference.

The difference between you and Rama is the difference between gold and lead, sandal and slime, an elephant and a cat of the forest.