Bhagavad Gītā Chapter Six verse 34
cañcalaṃ hi manaḥ kṛṣṇa pramāthi balavad dṛḍham |
tasyāhaṃ nigrahaṃ manye vāyor iva suduṣkaram ||
Commentaries and Reflections
Commentary by TKV Desikachar:
“Any attempt to meditate is going to fail if you are sitting on a pile of junk.”