Quote Originally Posted by pushvv View Post
... but whole life is not enough for this.

просто - conjunction
жизни - genitive (Нет денег, нет хлеба, нет жизни, нет любви... - same)
Would this be another example of the genitive case with negation, or does знать use the Genitive case with direct objects?

невозможно говорить на любом языке, если не знаешь слов....

Also is it common with transitive verbs to apply the Genitive case to a negated direct object, I see this quite often when I read?