ध्यानं च तैलधारावदविच्छिन्नस्मृतिसन्तानरूपम् ।
dhyānaṁ ca taila-dhārāvad avicchinna-smṛti-santāna-rūpam |
(Śrī-bhāṣya on Vedānta-sūtra: 1.1.1)
“And meditation (dhyāna) is of the nature of a continuous flow of uninterrupted remembrance resembling a stream of oil.”