Borges on illogical theology

Moreover, arguing that an error against God is infinite because He is infinite is like arguing that it is holy because God is, or like thinking that the injuries attributed to a tiger must be striped.

From "The Duration of Hell" by Jorge Luis Borges. 

Robot penguins of the air

Real penguins fly underwater; these ones swim gracefully through the air:
[Update, April 9: Embedded video no longer works, but can be seen on YouTube.]

Andromeda and Cassiopeia

Picture from Planisphère céléste, a 1705 celestial atlas by Philippe de La Hire

Mallards in a fountain

Insulting presuppositions

John called Mary a Republican, and then SHE insulted HIM.

Example sentence from George Lakoff's paper "Presupposition and relative well-formedness". Lakoff says he finds this sentence entirely acceptable, "though those with other beliefs may disagree".