Kosambi hurls an accusation at Krishna for being the creator of the system of varnas –
“Not only that, the god himself had created such differences (G.4.13): “The four-caste (class) division has been created by Me”; this is proclaimed in the list of great achievements. The doctrines are certainly not timeless.” (Emphasis is mine)
(M&R, p.19)
While doing so, it is strange that Kosambi fails to quote the other half of the verse. The original verse, BG 4.13, says –










