Verse 18

एषैव परमा युक्तिरनयैव महामदः ।स्वमनोमत्तमातङ्गो द्रागित्येवावदम्यते

In plain words

This alone is the supreme yukti; by this alone the great, maddened elephant that is one’s own manas is swiftly, just so, brought under control.