indriyāṇāṁ hi caratāṁ
yan mano ’nuvidhīyate
tad asya harati prajñāṁ
vāyur nāvam ivāmbhasi
indriyanam--of the senses; hi--certainly; caratam--while herding over; yat--that; manah--mind; anuvidhiyate--becomes constantly engaged; tat--that; asya--his; harati--takes away; prajnam--intelligence; vayuh--wind; navam--a boat; iva--like; ambhasi--on the water.