Wikipedia

"[Russell] wrote that if he were to assert, without offering proof, that a teapot, too small to be seen by telescopes, orbits the Sun somewhere in space between the Earth and Mars, he could not expect anyone to believe him solely because his assertion could not be proven wrong."

Bummer and Lazarus were two stray dogs that roamed the streets of San Francisco, California, United States, in the early 1860s. Recognized for their unique bond and their prodigious rat-killing ability, they became a fixture of city newspapers, were exempted from local ordinances, and immortalized in cartoons.

[…] fear of Friday the 13th, called paraskevidekatriaphobia […]