General Discussion

https://www.gty.org/blogs/B150914/what-is-the-eye-of-a-needle

"In his commentary on the passage, John MacArthur explains another key flaw with the spurious interpretation:

There is no evidence that such a gate ever existed. Nor would any person with common sense have attempted to force a camel through such a small gate even if one had existed; they would simply have brought their camel into the city through a larger gate. [1]

Instead he says,

The Persians expressed impossibility by using a familiar proverb stating that it would be easier for an elephant to go through the eye of a needle. The Jews picked up the proverb, substituting a camel for an elephant, since camels were the largest animals in Palestine. [2]"