Verse 38

मनोमात्रेण सुहृदा सदैव सहवासिना ।सह किंचित्परामृश्य भवत्यात्मा समृद्धृतः

In plain words

With the mind alone as friend — a friend that ever dwells together with one — by reflecting a little together with it, the self comes to be raised up.