Wise words indeed. They come courtesy of the Honorable Paul L. Maloney, a U.S. District Judge in Michigan who wrote the above line (partially quoting previous cases) in conjunction with this trademark dispute here [PDF link]:
http://ia600305.us.archive.org/26/items/gov.uscourts.miwd.65061/gov.uscourts.miwd.65061.46.0.pdf
Unfortunately, large segments of the IP legal community haven't gotten the message. Witness this recently filed case here [PDF link]: