सत्त्वं सुखे सञ्जयति रजः कर्मणि भारत। ज्ञानमावृत्य तु तमः प्रमादे सञ्जयत्युत ॥

sattvaṁ sukhe sañjayati rajaḥ karmaṇi bhārata jñānam āvṛitya tu tamaḥ pramāde sañjayaty uta

Harmony attacheth to bliss, Motion to action O Bharata. Inertia, verily, having shrouded wisdom, attacheth on the contrary to heedlessness.

In plain words: Krishna sums up: goodness ties us to happiness, passion ties us to action, and dullness hides wisdom and ties us to carelessness.