camel through the eye of a needle
Definition from Wiktionary, the free dictionary
With reference to the New Testament, Luke 18.25: It is easier, in fact, for a camel to get through the eye of a needle than for a rich man to get into the kingdom of God.” (NWT) Repeated in Mat. 19.24 and Mark 10.25
- (idiomatic) Hyperbole to illustrate something that is almost impossible to do or to make happen.
- Getting George to wake up before 7 o'clock is harder than getting a camel through the eye of a needle.