When the end of the Yuga comes, the uttering of the Vedas become futile. The Shudras address (others) saying “Bho;" while the Brahinanas address (others) saying "Noble Sir."
युगान्ते समनुप्राप्ते वृथा च ब्रह्मवादिनः। भोवादिनस्तथा शूद्रा ब्राह्मणाश्चार्यवादिनः॥