kṛṣṇa-bhakti-rasa-bhāvitā matiḥ
krīyatāṁ yadi kuto 'pi labhyate
tatra laulyam api mūlyam ekalaṁ
janma-koṭi-sukṛtair na labhyate

Pure devotional service in Krishna consciousness cannot be had even by pious activity in hundreds and thousands of lives. It can be attained only by paying one price — that is, intense greed to obtain it. If it is available somewhere, one must purchase it without delay.

laulyam.com

tatra laulyam api mulyam ekalam desire is the only price