"They show the equation ∞ + 1 = ∞, which is true if ∞ is an infinite cardinal, then proceed to subtract ∞ from both sides, giving 0=1, a howling contradiction. And that’s where they leave it."

This reminds me of Terrance Howard's statement that 1 multiplied by 1 equals 2: https://twitter.com/terrencehoward/status/925754491881877507