चातुर्वर्ण्यं त्रयो लोकाश्चत्वारश्चाश्रमाः पृथक् । भूतं भव्यं भविष्यं च सर्वं वेदात् प्रसिध्यति ॥ ९७ ॥
The four castes, the three worlds, the four orders, the past, the present, and the future are all severally known by means of the Veda.
english translation