Primitive life is very nice. Primitive life means simple life, keeping pace with the nature’s law. It is very nice. Primitive life gives you anxiety-free life, and therefore, even if you take it as primitive, the saintly persons, sages, they used to live long, long years, and their brain was so sharp, because they were taking natural food — fruits, grains, and milk that helps to develop human brain for understanding subtle subject matter.

From Srila Prabhupada’s lecture on Srimad-Bhagavatam 2.3.24 — June 22, 1972, Los Angeles