Chapter 12: Sloka 9

12.9

atha cittaṁ samādhātuṁ
na śaknoṣi mayi sthiram
abhyāsa-yogena tato
mām icchāptuṁ dhanañjaya

atha—if, therefore; cittam—mind; samādhātam—fixing; na—not; śaknoṣi—able; mayi—upon Me; sthiram—fixed; abhyāsa—practice; yogena—by devotional service; tataḥ—therefore; mām—Me; icchā—desire; āptum—to get; dhanañjaya—O Arjuna.

My dear Arjuna, O winner of wealth, if you cannot fix your mind upon Me without deviation, then follow the regulated principles of bhakti-yoga In this way you will develop a desire to attain to Me.