Who said "Even a 747 looks small when it lands in the Grand Canyon"?

Tom Arnold, regarding his divorce from Roseanne.

But in July 1994, after four years of wedded bliss, Roseanne filed for divorce, sparking an insult-crammed battle over a $25 million estate. Tom said that Roseanne's "Property of Tom Arnold" tattoo "made him the fourth-largest property owner in California," while Roseanne complained that Tom was phallically challenged. (Responded Tom: "Even a 747 looks small when it lands in the Grand Canyon.") By year's end, the parties had settled, remarried--and removed their outdated ink stains.

[eonline.com/Features/Features/Valentine2002/Breakups/index.html, no longer online]

The quote can be seen here:
https://books.google.com/books?id=m2G5BIoIKZgC&pg=RA1-PA246&lpg=RA1-PA246#v=onepage&q&f=false