कर्मणां च विवेकार्थं धर्माधर्मौ व्यवेचयत् । द्वन्द्वैरयोजयच्चैमाः सुखदुःखादिभिः प्रजाः ॥ २६ ॥
Moreover, in order to distinguish actions, he separated merit from demerit, and he caused the creatures to be affected by the pairs (of opposites), such as pain and pleasure.