Chapter II sloka 67
#iNÔya[a< ih crta< yNmnae=nuivxIyte,
tdSy hrit à}a< vayunaRvimvaM-is.
indriy˜õ˜Õ hi carat˜Õ
tadasya harati prajñ˜Õ
v˜yurn˜vamiv˜mbhasi ( 2|67)||
For the mind, which follows in the wake of the wandering senses, carries away his discrimination, as the wind (carries away) a boat on the waters.