“The ruins of the unsustainable are the 21st century’s frontier.”
“It would take 2,000 Vietnam Memorials to list the [Twentieth] century’s war dead.”
“This is space. It's sometimes called the final frontier.(Except that of course you can't have a final frontier, because there'd be nothing for it to be a frontier to, but as frontiers go, it's pretty penultimate . . .)”
“Minds are the real estate of the 21st century.”
“Salute to the Smiling Faces of the 21st Century.”
“the 21st Century is really a terrible time to be a control freak.”