Verse 3

नेहन्ते प्रकृतादन्यत्ते नान्यत्स्थावरो यथा ।रमन्ते स्वसदाचारैः स्वार्थेभ्यः पादपा यथा

In plain words

They seek nothing beyond what is proper to them, as a stationary thing seeks nothing else; they delight in their own good conduct, turned away from self-interest, as trees do.