According to Vedic principles, there must be divisions of human society (catur-varnyam maya srstam [Bg. 4.13]). There should be brahmanas, ksatriyas, vaisyas and sudras, and everyone should learn to worship the Supreme Personality of Godhead (tam abhyarcya). This is real human society, and without this system we are left with animal society.

Srila Prabhupada — SB 10.2.34 Purport