Whoops, sorry! Yep I did.

This quote is according to Molotov's recollection. From Сто сорок бесед с Молотовым (140 Conversations with Molotov) by Felix Chuev:

Stalin himself, I remember, said during the war: “I know that after my death, my grave will be piled with rubbish. But the winds of history will ruthlessly dispel it!