Shiva Purana
तत्रापि च विशेषेण न त्यजेद्बिल्वपत्रकम् ॥ हैममेकं परं प्राहुः पद्मं पद्मसहस्रकात् ॥ ३९ ॥
Even in this case, one should not leave the bilva leaf in any particular place. They say that one golden lotus is better than a thousand lotuses.
english translation
tatrApi ca vizeSeNa na tyajedbilvapatrakam ॥ haimamekaM paraM prAhuH padmaM padmasahasrakAt ॥ 39 ॥
hk transliteration by Sanscript