“The theoretical broadening which comes from having many humanities subjects on the campus is offset by the general dopiness of the people who study these things...”
Richard Feynman
“Cat-to-human transmission is theoretically possible and not to be excluded.”
Albert Osterhaus
“An infection of humans, which theoretically cannot be ruled out, could probably only occur with very intimate contact to infected animals.”
Thomas Mettenleiter
“Faith means belief in something concerning which doubt is theoretically possible”
William James
“Everything is theoretically impossible, until it is done.”
Robert A. Heinlein
“I constructed a theoretically perfect thrust, but I eliminated a few intermediate movements so that nobody could execute it. It has the appearance of being perfect”
Arturo Perez Reverte
“Whenever anyone says, "theoretically", they really mean, "not really"”
Dave Parnas