cancalatvat sthitim sthiram
arjunaḥ uvāca—Arjuna said; yaḥ—the system; ayam—this; yogaḥ—mysticism; tvayā—by You; proktaḥ—described; sāmyena—generally; madhusūdana—O killer of the demon Madhu; etasya—of this; aham—I; na—do not; paśyāmi—see; cañcalatvāt—due to being restless; sthitim—situation; sthirām—stable.
Arjuna said: O Madhusūdana, the system of yoga which you have summarized appears impractical and unendurable to me, for the mind is restless and unsteady.
cañcalam—flickering; hi—certainly; manaḥ—mind; kṛṣṇa—O Kṛṣṇa; pramāthi—agitating; balavat—strong; dṛḍham—obstinate; tasya—its; aham—I; nigraham—subduing; manye—think; vāyoḥ—of the wind; iva—like; suduṣkaram—difficult.
For the mind is restless, turbulent, obstinate and very strong, O Kṛṣṇa, and to subdue it is, it seems to me, more difficult than controlling the wind.