Why didn't the sentence stick? It was Łosed away.
Why did the finite field feel sad? It wasn't valued.
What's an anagram of "Banach–Tarski"? "Banach–Tarski Banach–Tarski".
Why do algebraic farmers plough in circles? Because a field is a ring.
Why do mathematicians box in teams? Because a ring is a group.
Did you hear about the archer with the trivial quiver? They never missed.
Did you hear about the logician who went into space? Everything they said was vacuously true.