How were all creatures first created? Whence originated this distinction of castes? Whence the purity and the impurity of conduct, and whence the laws about virtue and vice, for living creatures?
कथं सृष्टानि भूतानि कथं वर्णविभक्तयः। शौचाशौचं कथं तेषां धर्माधर्मविधिः कथम्॥