Some ideas are accepted much easier than others, regardless of their face value. Are we preconditioned for them or they carry the conditioner?

Biologist Richard Dawkins has argued famously that ideas spread from mind to mind much as viruses spread from host to host.

It's an exhilaratingly cynical view, because it suggests that to succeed, an idea need not be true or even useful, as long as it has what it takes to propagate itself.

Paul Krugman: The accidental theorist, W.W. Norton & Co., New York, 1998.

Aspen foliage along the 'Peak to Peak Highway', CO

It's always a good idea to take a second look.