Verse
इन्द्रियस्येन्द्रियस्यार्थे रागद्वेषौ व्यवस्थितौ ।तयोर्न वशमागच्छेत् तौ ह्यस्य परिपन्थिनौ ॥
In the object of this or that sense liking and disliking are set in ambush; fall not into their power, for they are the besetters of the soul in its path.
Gītā 3·34