Bhagavad Gita 3.33

सदृशं चेष्टते स्वस्याः प्रकृतेर्ज्ञानवानपि |
प्रकृतिं यान्ति भूतानि निग्रह: किं करिष्यति

Translation

Even wise people act according to their natures, for all living beings are propelled by their natural tendencies. What will one gain by repression?